ギーマ Gīma
Sun Moon Grimsley.png
Concept art from Sun and Moon
Gender Male
Eye color Blue
Hair color Black
Hometown Unknown
Region Unova
Trainer class Elite FourBWB2W2
Pokémon TrainerSMUSUM
Generation V, VII
Games Black and White
Black 2 and White 2
Sun and Moon
Ultra Sun and Ultra Moon, Masters EX
Elite Four of Pokémon League (Unova)
Specializes in Dark types
Game animation debut Pokémon Masters Animated Trailer
English voice actor Greg Chun[1] (Masters EX)
Japanese voice actor Daisuke Ono[2] (Masters EX)

Grimsley (Japanese: ギーマ Gīma) is a Dark-type Trainer and member of the Unova Elite Four.

In the core series games

In Pokémon Black, White, Black 2, and White 2, Grimsley appears as an Elite Four Trainer of Unova. He is the son of a distinguished family that fell into ruin. As a result, he developed a gambling addiction.

Grimsley, having stepped down as an Elite Four member, reappears in Pokémon Sun and Moon and Pokémon Ultra Sun and Ultra Moon at Route 15, where he assists the player by registering Sharpedo into their Ride Pager. He also participates as a Trainer in the Battle Tree. In Ultra Sun and Ultra Moon, Grimsley is an accomplished Mantine Surfer, where he competes under the name Big G (Japanese: ビッグG Big G) and holds a high ranking on the leaderboards of all four islands' beaches before the player has a chance to beat the records. He is noted to have developed skills for the sport surprisingly quickly, believing that it couldn't be much different from riding a Sharpedo. Samson Oak struggles to best his scores and views him as a rival — while Grimsley tends to hold the second-place position at the various beaches, Samson is usually the person in third place.


Pokémon Black and White

First battle (pre-National Pokédex)

Rematch (post-National Pokédex)

Pokémon Black 2 and White 2

First battle (Easy Mode/Normal Mode)

First battle (Challenge Mode)

Rematch (Easy Mode/Normal Mode)

Rematch (Challenge Mode)

Pokémon Sun, Moon, Ultra Sun, and Ultra Moon

Grimsley's Pokémon are kept in Ultra Balls.

Battle Tree

Grimsley uses three of these Pokémon in Single Battles, four in Double Battles, and two in Multi Battles in the Battle Tree.

In the spin-off games

Pokémon Masters EX

Main article: Grimsley (Masters)

Grimsley forms a sync pair with Liepard, Sharpedo, and Bisharp in Pokémon Masters EX. His Sharpedo is capable of Mega Evolving. Grimsley became a playable sync pair on November 28, 2019.

Sync Dex Trainer NDex Pokémon Type Weakness Role Base Potential Availability
#073   Grimsley #0510   Liepard
  ★★★★★☆EX Sync Pair Scout
#073   Sygna Suit
#0319   Sharpedo
  Mega Sharpedo
  ★★★★★☆EX Sync Pair Scout
#073   Kimono
#0625   Bisharp
  ★★★★★☆EX Sync Pair Scout



Official artwork from
Black and White
Concept art of Grimsley from Sun and Moon
Concept art of Grimsley from Sun and Moon

Sprites and models

Sprite from
Black and White
Sprite from
Black 2 and
White 2
VS sprite from
Generation V
High-poly model from Sun, Moon, Ultra Sun,
and Ultra Moon
VS sprite from
Sun, Moon, Ultra Sun,
and Ultra Moon
Overworld sprite from
Generation V
Overworld model from
Sun, Moon, Ultra Sun,
and Ultra Moon


Main article: Grimsley/Quotes

In the anime


Grimsley briefly appeared in GOTCHA!.

In the manga

Pokémon Adventures

Grimsley in Pokémon Adventures

Grimsley first appears on Route 4 in disguise, where he plays a game of card flip with the Workers there in order to give them something to do on their breaks. He quickly gets acquainted with Black and challenges him to a game that involves guessing where the local Drilbur will pop up. When a Worker falls into a hole created by the Drilbur, Grimsley reveals that the person is an impostor in disguise, as Grimsley had told the Workers not to go on the side they were playing the game on. Grimsley battles the man and easily manages to win. He then removes the impostor's disguise, revealing the person to be a Team Plasma Grunt. Grimsley reveals to Black who he truly is and decides to have a battle with him, with the conditions that whoever loses has to give up something precious. Before Black can answer, he faints from mental stress at the thought of losing his Gym Badges and not being able to qualify for the League. Amused, Grimsley decides takes his leave, but he also binds up the Plasma Grunt and leaves a card instructing who reads it to punish the Grunt.

When the Pokémon League begins, he and Shauntal travel via Shauntal's Golurk to meet up with their fellow Elite Four members. When discussing what to do with Team Plasma, Grimsley declares that unless they attack first, he will not defend, because it's not his style. The four then watch as spectators for the tournament before their battles can begin. Although the tournament is won by Black, the event is interrupted by Team Plasma, who attacks the stadium by surrounding it with N's Castle. The Elite Four travel on Shauntal's Golurk to try and confront N at the top of the castle, but they are attacked by Hood Man, who uses Tornadus, Thundurus, and Landorus against them to try and figure out how to activate the three Pokémon's Therian Formes. Grimsley leaves the others to take care of three Legendary Pokémon while he goes to face Hood Man himself. The two battle each other for an extended period of time, but Hood Man eventually manages to escape using a Pokémon Grimsley could not see properly.


This listing is of Grimsley's known Pokémon in the Pokémon Adventures manga.

Bisharp is Grimsley's only known Pokémon. It first appeared with its Trainer on Route 4 where it helped Grimsley play card flip with the workers there. Later, it battled a disguised Team Plasma Grunt's Maractus and defeated it. During Team Plasma's attack on the League, Bisharp was used to battle Hood Man. It easily deflected Hood Man's Klinklang's attacks, but couldn't keep up when Hood Man used another Pokémon to escape at high speeds.

Bisharp's only known move is Fury Cutter, and its Ability is Defiant.

Debut Sandstorm

According to Black's notebook, he also has a Krookodile.

Pocket Monsters BW

Grimsley in Pocket Monsters BW

Grimsley appears in volume 3 of Pocket Monsters BW.

Pocket Monsters BW: The Heroes of Fire and Thunder

Grimsley appears in one panel in A Very Important Thing, alongside the other Elite Four members defeated by N's Zekrom at the destroyed Pokémon League.

In the TCG

Full Art print of Grimsley
Grimsley's Pokémon
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
Rarity # Japanese
Rarity #
Houndoom   Brilliant Stars   TG10/TG30 VMAX Climax   206/184
Other related cards
Card Type English
Rarity # Japanese
Rarity #
Grimsley Su Unified Minds   199/236 GG End   048/054
Unified Minds   234/236 GG End   061/054


  • According to an interview with Yusuke Ohmura in Nintendo Dream, Grimsley's design is themed on both vampires (specifically Dracula himself) and gambling. While his clothes are meant to look refined, the blue-black and red color scheme is a reference to the colors of the roulette.[3]


Language Name Origin
Japanese ギーマ Gīma From ギーマ gīma (Vaccinium wrightii), 魔 ma (devil; evil influence), 欺瞞 giman, (deception, deceit) or ブギーマン boogeyman
English Grimsley From grim, grimace, and possibly sly
German Astor From Asteriden (Asterids) or the genus Astroloma and possibly the Astor family
Spanish Aza From azalea and azar (chance)
French Pieris From the genus Pieris
Italian Mirton From mirtillo (general term for the fruits of the genus Vaccinium)
Korean 블래리 Beullaeri From 블랙베리 blackberry
Chinese (Mandarin) 越橘 Yuèjú From 越橘 yuèjú / yuhtgwāt (lingonberry)
Chinese (Cantonese) 越橘 Yuhtgwāt
Brazilian Portuguese Funesto*
From funesto (fatal) and possibly nefasto (detrimental, ill-omened)
Same as English name
Vietnamese Giima Transcription of his Japanese name

Big G

Language Title
Chinese Cantonese Big・Y Big Y
Mandarin Big・Y Big Y
  French Big P
  German Big A
  Italian Big M
  Korean 빅G Big G
  Spanish Big A


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Unova League
Elite Four
Elite Four
Elite Four
Elite Four
Alder Iris

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PMSM HalaLillie
  This game character article is part of Project CharacterDex, a Bulbapedia project that aims to write comprehensive articles on each character found in the Pokémon games.