Caterpie

Caterpie (キャタピー Caterpie) is a -type Pokémon that can evolve into Metapod starting at level 7.

Appearance
Caterpie are a worm-like Pokémon that are mainly green in color with a tan underside. Just below its head are four tiny legs that are used only for movement. On top of its head is a red, "y-shaped" antenna, which can be used to produce an odor used in self-defense.

Special Abilities
Caterpie have the ability Shield Dust, which negates all status effects that are side effects of other moves.

When threatened, it can release a strong odor from it's antenna, which it uses to ward off predators.

In Anime
Though Caterpie has quite a few cameos, the only time one of the main characters owned one was when Ash had a caught a Caterpie in the episode Ash Catches a Pokémon. During the same episode Caterpie evolved into a Metapod.

In Game
Caterpie first appeared in the Generation I games. It's commonly found in forest-type areas in all regions aside from Hoenn. Starting at level 7 Caterpie can evolve into Metapod, which evolves into Butterfree at level 10.

Generation I
Main article: Caterpie/Learnset Generation I

Generation II
Main article: Caterpie/Learnset Generation II

Generation III
Main article: Caterpie/Learnset Generation III

Generation IV
Main article: Caterpie/Learnset Generation IV

Trivia

 * Caterpie has suction pads (located at the bottom of it's feet) that allow it to climb trees and other walls or slopes with ease.