Caterpie

It's feet have suction cups designed to stick to any surface. It tenaciously climbs trees to forage.
One of the Bug-type Pokémon, Caterpie will evolve into Metapod and Butterfree. These Pokémon are rare in the Red version and reside in both versions of the game.

TYPE: Bug
HEIGHT: .3 m
WEIGHT: 2.9 kg
EVOLUTION: Caterpie-Metapod-Butterfree