Pokémon #736 in the National PokéDex, a Bug type Pokémon that has the ability Swarm.
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.
It evolves into Charjabug, then into Vikavolt.
Japanese Name: Agojimushi