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Pewter Gym
ニビジム Nibi Gym
Pewter Gym anime.png
Location Pewter City
Gym Leader Brock
Flint (anime only)
Lola (anime only)
Forrest (anime only)
Badge Boulder Badge
Dominant Type Rock
Region Kanto
Pewter Gym Battlefield.png
Battlefield

The Pewter Gym (Japanese: ニビジム Nibi Gym) is the official Gym of Pewter City. It is based on Rock-type Pokémon. The Gym Leader is Brock. Trainers that defeat him receive the Boulder Badge.

Other known members include Campers Jerry and Liam, Hiker Edwin, Flint (Brock's father), Lola (Brock's mother), and Forrest (Brock's brother).

Contents

In the games

Pewter City
Pokémon Gym
Leader: Brock
The Rock Solid
Pokémon Trainer!

Pewter City
Pokémon Gym
Leader: Brock
The Rock Solid
Pokémon Trainer

Pewter City Pokémon Gym
Leader: Brock
The Rock-Solid Pokémon Trainer

Pewter City Pokémon Gym
Leader: Brock
The Rock-Solid Pokémon Trainer

Pewter Gym appears in all games set in the Kanto region, appearing much the same in each: a small building with a Japanese rock garden inside, oneRBYGSCFRLG or twoHGSSPE Trainers, and the Gym Leader, Brock, waiting at the back of the Gym, stading on plain floorRBYGSC or a large stone pedestalFRLGHGSSPE. In the Generation I games and their remakes, if the player tries to leave Pewter City to Route 3 before earning the Boulder Badge, a boy standing at the route entrance will lead them to the front of the Gym.

In Pokémon: Let's Go, Pikachu! and Let's Go, Eevee!, the player show a Grass- or Water-type Pokémon from their party to the gym guide in order to be allowed to challenge the Gym. The Pokémon shown can then be removed from the party without incident, and the player can challenge Brock and his Trainers without any Grass- or Water-type Pokémon if they so desire.

A field based on the Gym also appears in Pokémon Stadium's Gym Leader Castle and Stadium 2's Kanto Gym Leader Castle.

Appearance

Pewter Gym RBY.png Pewter Gym GSC.png Pewter Gym FRLG.png Pewter Gym HGSS.png
Generation I Generation II Generation III Generation IV

Trainers

Core series

Pokémon Red and Blue
Trainer Pokémon
Jr. Trainer♂
Jr. Trainer♂
Reward: PokémonDollar.png220
050 Diglett Lv.11
No item
027 Sandshrew Lv.11
No item



Pokémon Yellow
Trainer Pokémon
Jr. Trainer♂
Jr. Trainer♂
Reward: PokémonDollar.png180
050 Diglett Lv.9
No item
027 Sandshrew Lv.9
No item



Pokémon Gold, Silver, and Crystal
Trainer Pokémon
Camper Jerry
Camper Jerry
キヨシ Kiyoshi
Reward: PokémonDollar.png740
028 Sandslash Lv.37
No item
Trainers with a telephone symbol by their names will give their Pokégear number to the player, and may call or be called for a rematch with higher-level Pokémon.



Pokémon FireRed and LeafGreen
Trainer Pokémon
Camper Liam
Camper Liam
トシカズ Toshikazu
Reward: PokémonDollar.png220
074 Geodude Lv.10
No item
027 Sandshrew Lv.11
No item
Trainers with a Vs. Seeker by their names, when alerted for a rematch using the item, may use higher-level Pokémon.



Pokémon HeartGold and SoulSilver
Trainer Pokémon
Camper Jerry
Camper Jerry
キヨシ Kiyoshi
Reward: PokémonDollar.png800
112 Rhydon Lv.50
No item
Hiker Edwin
Hiker Edwin
ミキオ Mikio
Reward: PokémonDollar.png1600
076 Golem Lv.50
No item
Trainers with a telephone symbol by their names will give their Pokégear number to the player, and may call or be called for a rematch with higher-level Pokémon.



Pokémon: Let's Go, Pikachu! and Let's Go, Eevee!
Trainer Pokémon
Picnicker Amara
Picnicker Amara
アキナ Akina
Reward: PokémonDollar.png140
074 Geodude Lv.7
No item
Camper Liam
Camper Liam
トシカズ Toshikazu
Reward: PokémonDollar.png140
074 Geodude Lv.7
No item



Rematch


Side series

Pokémon Stadium
Round 1
Trainer Pokémon
Bug Boy
Bug Boy
Reward: PokémonDollar.pngN/A
010 Caterpie Lv.50-100
No item
013 Weedle Lv.50-100
No item
011 Metapod Lv.50-100
No item
014 Kakuna Lv.50-100
No item
015 Beedrill Lv.50-100
No item
012 Butterfree Lv.50-100
No item
Lad
Lad
Reward: PokémonDollar.pngN/A
001 Bulbasaur Lv.50-100
No item
023 Ekans Lv.50-100
No item
041 Zubat Lv.50-100
No item
043 Oddish Lv.50-100
No item
046 Paras Lv.50-100
No item
044 Gloom Lv.50-100
No item
Jr. ♂
Jr. ♂
Reward: PokémonDollar.pngN/A
083 Farfetch'd Lv.50-100
No item
050 Diglett Lv.50-100
No item
016 Pidgey Lv.50-100
No item
051 Dugtrio Lv.50-100
No item
027 Sandshrew Lv.50-100
No item
074 Geodude Lv.50-100
No item



Round 2
Trainer Pokémon
Bug Boy
Bug Boy
Reward: PokémonDollar.pngN/A
046 Paras Lv.50-100
No item
019 Rattata Lv.50-100
No item
021 Spearow Lv.50-100
No item
017 Pidgeotto Lv.50-100
No item
015 Beedrill Lv.50-100
No item
012 Butterfree Lv.50-100
No item
Lad
Lad
Reward: PokémonDollar.pngN/A
002 Ivysaur Lv.50-100
No item
024 Arbok Lv.50-100
No item
041 Zubat Lv.50-100
No item
044 Gloom Lv.50-100
No item
102 Exeggcute Lv.50-100
No item
048 Venonat Lv.50-100
No item
Jr. ♂
Jr. ♂
Reward: PokémonDollar.pngN/A
083 Farfetch'd Lv.50-100
No item
050 Diglett Lv.50-100
No item
018 Pidgeot Lv.50-100
No item
141 Kabutops Lv.50-100
No item
027 Sandshrew Lv.50-100
No item
075 Graveler Lv.50-100
No item



Pokémon Stadium 2
Round 1


Round 2


Items

Item Location Games
TM Normal TM34 (Bide) Reward for defeating Brock  R  B  Y 
TM Rock TM39 (Rock Tomb) Reward for defeating Brock  FR  LG 
TM Rock TM80 (Rock Slide) Reward for defeating Brock  HG  SS 
TM Normal VI TM01 (Headbutt) Reward for defeating Brock  P  E 

In the anime

Pewter Gym in its debut in the anime
Pewter Gym interior in its debut

In the main series

The Pewter Gym has made multiple appearances in the anime, first being seen in Showdown in Pewter City, where Ash challenged it as his first Gym in order to earn his first Badge. However, his Pikachu was at a severe disadvantage against Brock's Onix, forcing Ash to eventually surrender, suffering his first loss since he started his journey. After some training with Pikachu, Ash challenged Brock to a rematch, during which Pikachu accidentally set off the Gym's sprinkler system, allowing Pikachu's Electric moves to hurt Onix. However, Ash refused to deal the finishing blow and forfeited, saying that he didn't feel this way of winning would be fair. However, soon after, Brock caught up to Ash and gave him a Boulder Badge, insisting that earned it through his kindness to Pokémon. The two were then approached by Flint, Brock's father and the previous Pewter Gym Leader. As Brock's true dream was to become a Pokémon Breeder and him having held the Gym Leader position only out of obligation to his family, he gave his Gym Leader position back to Flint in order to travel with Ash.

During Brock's travels with Ash, Brock's mother, Lola, returned to the Gym and decided to redecorate and redesign it to match her preference of Water-type Pokémon, including adding a pool of water in the middle of the battlefield. When Brock returned to the Gym in A Family That Battles Together Stays Together!, he was shocked to see the changes done to it and joined his younger brother Forrest in voicing his distaste towards them. Flint battled Lola to change the Gym back, but was defeated. He then suggested that the Gym could be converted into a dual-type one, but Brock rejected the idea and challenged his mother to a battle as well. Unlike Flint, Brock was able to defeat Lola, restoring the Gym to its roots as a sole Rock-type Gym. Brock then left his Onix, Geodude, and Crobat with Forrest at the Gym before heading to Hoenn to rejoin Ash.

Brock briefly returned to the Gym in between The Scheme Team and The Right Place and the Right Mime, leaving his Ludicolo with his family before rejoining Ash during his journey to challenge the Kanto Battle Frontier.

The Gym was subject to a second remodeling attempt, this time by a disguised Team Rocket, in Grating Spaces. Ash and Brock had a Tag Battle against Jessie and James while Meowth tried to steal Poké Balls from the Gym's storage room, until he was exposed by Max. Afterwards, the stolen Poké Balls were recovered and Team Rocket was sent blasting off again.

Brock once again made an off-screen stop at the Pewter Gym in between Home is Where the Start Is! and Two Degrees of Separation!, leaving his Forretress and Marshtomp there before traveling to Sinnoh to once again rejoin Ash.

The Gym was featured again in DPS02, where Brock returned there to meet a Nurse Joy from the Pokémon Inspection Agency, who had come to shut the Gym down due to it not having an official Leader present. Brock battled against Nurse Joy, but was defeated, endangering the Gym's fate. Afterwards, Brock learned that while he had previously left his Gym Leader duties to Forrest, Flint had accidentally lost the Gym Leader change notice he had been supposed to bring to the PIA, causing the information to never reach the agency. Brock managed to convince Nurse Joy into having another battle to decide the Gym's fate, this time against Forrest. To everyone's surprise, Joy used Latias, a Legendary Pokémon, to face against Forrest. While Forrest ended up losing the battle, Joy recognized his skills and officially appointed him as the new Pewter Gym Leader, allowing the Gym to continue operating.

The Pewter Gym is a stone building apparently set apart from the rest of Pewter City. When it first appeared, the Gym's name was visible at the front, but it's removed in its later appearances. In the Gym's debut appearance, Brock was shown waiting inside in the dark for challengers, sitting on a stone pedestal as he does in the games. The battlefield, which consists of two halves that can be moved together during battles, is littered with jagged rocks and boulders, and a balcony along the edge above provides spectators a spot to watch Gym battles. Despite being a Rock-type Gym, the building has sprinklers for fire safety. During the Diamond & Pearl series, the Gym was shown to have become notably cleaner than previously. In addition, the battlefield now has more pointed rocks, while the area around it is a blue shiny floor, possibly to reflect Lola's penchant for water. Brock's family lives in a large house located at the back of the Gym. The Gym also has a large storage room for Poké Balls, as seen during the Advanced Generation series.

Pokémon used in Gym

Used by Brock
Brock's Sudowoodo
Sudowoodo
Main article: Brock's Sudowoodo

Brock used Sudowoodo in a battle against a Nurse Joy from the Pokémon Inspection Agency and her Chansey in DPS02. However, he was caught off guard when Chansey used Attract. Because of his infatuation, Chansey easily defeated him.

Debut From Cradle to Save
Voice actors
Japanese Daisuke Sakaguchi
English Bill Rogers
Used by Brock and Forrest
Brock's Steelix

Brock's Mega Steelix
Onix → Steelix ↔ Mega Steelix
Main article: Brock's Steelix

Steelix was used by Brock for Gym battles as an Onix. It was later left for Forrest to use. Thanks to Brock's Key Stone and its Steelixite, it can Mega Evolve into Mega Steelix.

Debut Showdown in Pewter City
Voice actors
Japanese Unshō Ishizuka
English Unshō Ishizuka
Brock's Geodude
Geodude
Main article: Brock's Geodude

Geodude was used by Brock for Gym battles. It was later left for Forrest to use.

Debut Showdown in Pewter City
Voice actors
Japanese Shin'ichirō Miki
English Michael Haigney
Used by Flint
Flint's Golem
Golem
Flint's Golem first appeared in A Family That Battles Together Stays Together! where it battled against Lola's Marill to win back the Pewter Gym from her. The type disadvantage and the problem that the battlefield was on water with only a few rocks sticking out gave Marill the advantage. Flint started with an Earthquake which made it hard for Marill to navigate, but was no match to Marill who used Surf making Golem sink and her Blastoise had to save it from drowning, Brock also had to help using a hair dryer to heat Golem up.

It was revealed that Golem used to be a Graveler; in a battle against Lola's Poliwag, the precision of her Poliwag's Hydro Pump made Flint fall in love with Lola. It was later seen with Blastoise, holding up the new sign made of rock which they broke.

Golem appeared again in Grating Spaces! where it welcomed Brock home with Brock's Geodude, Steelix, and Crobat.

Golem's only known move is Earthquake.

Debut A Family That Battles Together Stays Together!
Voice actors
Japanese Katsuyuki Konishi
English Eric Stuart
Used by Lola
Lola's Marill
Marill
Lola's Marill was used against Flint's Golem in a battle for the title of Gym Leader. It was shaken up by Golem's Earthquake, but was able to use the waves of water to use Surf against it and win. It then helped Golem along with Blastoise to recover from drowning.

In Grating Spaces!, Team Rocket planned to capture Marill and the other Pokémon of Lola's but failed. In DPS02, it, along with Brock's Sudowoodo, takes the role of Brock's youngest siblings' playmate.

Marill's only known move is Surf.

Debut A Family That Battles Together Stays Together!
Voice actors
Japanese Mika Kanai
English Kayzie Rogers
Lola's Mantine
Mantine
Lola's Mantine was used against Brock's Onix, in a battle to reclaim the Pewter Gym and allow it to still be a Rock-type gym, Onix drained the pool with Dig leaving Mantine stranded. It then flew in the air using Bubble Beam hurting Onix, but it used Bind and despite having a clear type advantage, Mantine ends up losing the battle.

In Grating Spaces!, Team Rocket planned to capture Mantine and the other Pokémon of Lola's but failed.

Mantine's known moves are Bubble Beam and Confuse Ray*.

Debut A Family That Battles Together Stays Together!
Voice actors
Japanese Unshō Ishizuka
English Unshō Ishizuka
Used by Forrest
Brock's Crobat
Crobat
Main article: Brock's Crobat

Crobat was used by Forrest in Gym battles.

Debut Clefairy and the Moon Stone
Voice actors
Japanese Shin'ichirō Miki
English Shin'ichirō Miki
Forrest's Rhyperior
Rhyperior
Rhyperior is currently the only known Pokémon of Forrest that he did not borrow from Brock. He used it in a battle against Nurse Joy's Latias that, if he had lost, would have caused the Pewter Gym to be shut down. Rhyperior did a lot of damage to Latias with its Megahorn, but Latias used Recover and then fired an Ice Beam at Rhyperior. Rhyperior continued to use Megahorn, but Latias used multiple Steel Wing attacks and an Ice Beam until Rhyperior finally fainted.

Rhyperior became frozen by Latias's Ice Beam but Brock was able to help it recover. Nurse Joy was impressed by Forrest's skill, and as a result the Pewter Gym was not closed.

Rhyperior's known moves are Megahorn, Rock Wrecker, Horn Drill, and Dig.

Debut DPS02
Voice actors
Japanese Kenta Miyake

In Pokémon Origins

Pewter Gym interior in Pokémon Origins

The Pewter Gym appeared in File 1: Red, when Red went to challenge it on the suggestion of Brock, whom he didn't know being the Gym Leader until meeting him at the Gym. After battling Brock's Geodude with his Charmander for a while, Red was advised by Brock to use a Pokémon with a better type matchup, prompting Red to switch to his Nidoran♂, whose super effective Double Kick was enough to defeat Geodude. Brock then switched to his Onix, which defeated Nidoran♂ with Bide, and then proceeded to defeat Red's Spearow, Rattata, and Metapod as well, but not before the Metapod had managed to land a String Shot on the Rock Snake Pokémon. Red was then forced to switch back to his Charmander. Thanks to Metapod's String Shot, Charmander was able to outspeed Onix and defeat it with Scratch, winning the match for Red and earning him the Boulder Badge and TM34 (Bide).

Like all Gyms in Pokémon Origins, this Gym has scoreboards featuring each Trainer's current Pokémon and their remaining HP. The Gym's battlefield's design is based on that of Pokémon FireRed and LeafGreen.

Pokémon used in Gym

Brock's Geodude
Geodude
Main article: Brock's Geodude

Brock used Geodude in his Gym battle against Red. It first battled Red's Charmander and managed to deal lots of damage to it before Red recalled it. Geodude then faced Red's Nidoran♂, but was quickly defeated by his Double Kick.

Debut File 1: Red
Brock's Onix
Onix
Main article: Brock's Onix

Brock used Onix in his Gym battle against Red. Onix managed to defeat four of Red's Pokémon in a quick succesion before finally being defeated by Red's Charmander.

Debut File 1: Red

In the manga

Pewter Gym in The Electric Tale of Pikachu

In The Electric Tale of Pikachu manga

Pewter Gym appeared in Play Misty For Me, where Ash entered the Gym and challenged Brock, eventually beating the Rock-type Gym Leader.

In the Pokémon Adventures manga

Pewter Gym in Pokémon Adventures

Pewter Gym appeared in Onix is On!, where both Red and Blue challenged the Gym for the Boulder Badge, with both of them eventually beating the Gym Leader.

Each challenger who wishes to battle Brock must first defeat several rounds of Gym Trainers. The outside of the Gym has the default design, but the inside consists of a boxing ring where the Trainers battle, a space for the crowd around it, and a room with windows where Brock can watch the battles.

Pokémon used in Gym

Used by Brock
Brock's Onix
Onix
Main article: Brock's Onix

Onix is arguably Brock's most powerful Pokémon and is apparently well known for its speed, which causes shock waves when it moves. Onix was first used in battle against Red's Pika. Despite the type advantage, Onix was defeated by the small Electric type after it came to fight for Red of its own will. Three years later, Onix was sent out by Brock to use as a bridge when a bridge in the Tohjo Falls went out while Brock, Erika and Misty were heading to Johto, during which Misty is joined by Suicune. However, it itself collapsed when they were all attacked by a large group of Zubat, Golbat and Crobat. Once the group finally made it to the Indigo Plateau, Brock used Onix in his battle with Jasmine. It lost to Jasmine's Steelix, which he initially mistook as an Onix of a different variety due to its rock covering used to hide the fact that it was a new, undiscovered species at the time.

Debut Onix Is On!
Brock's Geodude
Geodude (×6)
Main article: Brock's Geodude

Brock owns six Geodude, nicknamed Geoone, Geotwo, Geothree, and so on. One of them appeared in Onix Is On! watching the battles with his Trainer. The other five first appeared in Putting It On The Line...Against Arcanine. They often grasp each others' wrists in order to circle around Brock to protect him. During the Gold, Silver & Crystal chapter, they used their Magnitude to stop the Magnet Train. However, the impact sent it off course, causing it to almost crash before it was saved by Red's Snorlax.

Debut Onix Is On!
Brock's Graveler
Graveler
Brock's Graveler was first seen as he watched Red battle the Trainers in the Pewter Gym. Later on, Brock gave him to Yellow, who named him Gravvy. He has since evolved it into a Golem.

Graveler's known moves are Mega Punch, Rock Throw, Take Down, and Defense Curl, and his Ability is Sturdy.

Debut Onix Is On!
Used by Gym Trainers
Pewter Gym Graveler Adventures.png
Graveler
Pewter Gym Sandshrew Adventures.png
Sandshrew
Pewter Gym Cubone Adventures.png
Cubone
Pewter Gym in Pokémon Pocket Monsters

In the Pokémon Pocket Monsters manga

Pewter Gym appeared in Bring Down the Powerful Opponent Onix!!. Red and Clefairy discovered Brock's collection of Pokémon and that Clefairy's cousin, Pikachu, was a part of his collection. After Clefairy beat Brock's Onix in a battle, Brock gave Pikachu to Red, along with a Boulder Badge.

Pewter Gym in Pokémon Zensho

In the Pokémon Zensho manga

Pewter Gym appeared in Pewter City, where Satoshi challenged Brock. Despite his Charmander being at a type disadvantage, Satoshi eventually won by having Charmander cut off Onix's horn, earning the young Trainer his first Badge.

In the TCG

The Pewter Gym was featured in the TCG as both a Japan exclusive Theme Deck and as a card. The following is a list of cards named Pewter City Gym.

Related cards
Cards listed with a blue background are only legal to use in the current Expanded format.
Cards listed with a silver background are legal to use in both the current Standard and Expanded formats.
Card Type English
Expansion
Rarity # Japanese
Expansion
Rarity #
Pewter City Gym T [St] Gym Heroes Uncommon 115/132 Leaders' Stadium Uncommon  
 

Trivia

  • Despite being a Rock-type Gym, all the Pokémon encountered here in Generations I and III share the Ground-typing, but not Rock-typing.


Gym Leaders of the Kanto region
Pewter Gym Boulder Badge
Brock OD.png
Brock
Cerulean Gym Cascade Badge
Misty OD.png
Misty
Vermilion Gym Thunder Badge
Lt Surge OD.png
Lt. Surge
Celadon Gym Rainbow Badge
Erika OD.png
Erika
Fuchsia Gym Soul Badge
Koga OD.png Janine OD.png
Koga Janine
Saffron Gym Marsh Badge
Sabrina OD.png
Sabrina
Cinnabar Gym Volcano Badge
Blaine OD.png
Blaine
Viridian Gym Earth Badge
Giovanni OD.png Blue
Giovanni Blue

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