Grubbin is a small, insectoid Pokémon. It has a white body with three nubs on either side resembling simple legs. There are two yellow spots on its side. Its head is dominated by two large, yellow mandibles with reddish-orange tips. The rest of its head is brown and has a reddish-orange structure with a yellow rim on top. It has large, black eyes with white pupils.
Grubbin typically lives underground. It uses its jaw as a weapon, a tool for burrowing, and for extracting sap from trees. Additionally, it can create sticky threads, which it shoots from its mouth and uses to swing around as though on suspension wires. It also uses these threads to stop opponents from moving, so it can then grab them in its mandibles, which are strong enough to snap thick tree branches. Even its natural enemies, such as Rookidee and Hoothoot, would rather run away than risk getting caught in its mandibles. It loves electricity and can be found near power plants. They can also be found near Electric-type Pokémon, as a means of avoiding attacks from bird-like Pokémon.[1] As mentioned in Pokémon Sleep, Grubbin uses its mandibles to makes nests underground. It has been observed sleeping in the dirt. It is believed that the dirt it sleeps in is possibly fluffy and comfortable.
Evolution
Grubbin evolves into Charjabug, which evolves into Vikavolt.
Major appearances
A wild Grubbin debuted in Alola to New Adventure!. Ash chased after it as it went underground, but lost track of it. Grubbin reappeared in Loading the Dex! during a flashback.
Ash attempted to catch another wild Grubbin in First Catch in Alola, Ketchum-Style! by having Pikachu battle it. However, he was unable to catch it when it escaped the Poké Ball and went underground. Grubbin managed to scare Lillie when it popped back up before escaping.
Minor appearances
A Grubbin appeared as an image in Loading the Dex! when Giovanni was telling Team Rocket about the rare Pokémon that appear in the Alola region.
A wild Grubbin appeared in Partner Promises!.
A Trainer's Grubbin appeared in Alola, Kanto! aboard a plane bound for Kanto.
Multiple Grubbin appeared in Rise and Shine, Starship!, where they were summoned by Sophocles's Charjabug to assist in digging up a Celesteela at Bamboo Hill.
A Grubbin appeared in Dewpider Ascending!, where it briefly chased a Dewpider, grabbing it in its pincers.
A Trainer's Grubbin appeared in I Choose Paradise!, where it was among the Pokémon seen at the Pokémon Paradise Resort.
A Trainer's Grubbin appeared in Securing the Future!, where it joined the rest of Alola in showering Necrozma with light so it could return to its true form.
Two Grubbin appeared in Battling the Beast Within! as residents of the post-apocalyptic Ultra Ruin. One of them reappeared in the next episode.
A Grubbin appeared in the past in A Timeless Encounter!.
A Trainer's Grubbin appeared in Battle Royal 151!, where it competed in the Battle Royal preliminary round of the Manalo Conference but ended up losing.
A Trainer's Grubbin appeared in Battling Besties!.
Three Grubbin appeared in Mind-Boggling Dynamax!, with one under the ownership of a Trainer and the other two being among the Pokémon seen in the Wild Area.
In That New Old Gang of Mine!, Goh chased after a Grubbin in an attempt to catch it, only for it to go underground.
In A Pinch of This, a Pinch of That!, three Grubbin were in the Wild Area.
Pokédex entries
Episode
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Pokémon
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Source
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Entry
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SM004
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Grubbin
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Rotom Pokédex
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Grubbin, the Larva Pokémon. A Bug type. Grubbin scrapes trees with its large jaws and drinks their sap. It makes its home underground.
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- Grubbin, along with its evolved forms, were designed by Hitoshi Ariga.[2]
- Grubbin shares its category with Blipbug. They are both known as the Larva Pokémon.
- Both Grubbin and Blipbug are also the only pure Bug-type Pokémon of their respective generation.
Origin
Grubbin appears to be based on a larval beetle, also known as a grub. It also bears resemblance to a common two-pronged electrical plug, which is further backed by the fact that it gains the Electric type upon evolving into Charjabug.
Name origin
Grubbin may be a combination of grub and grubbing (to scavenge or dig).
Agojimushi may be a combination of 顎 ago (jaw) and 地虫 jimushi (grub).