Type:Bug
Catch:Both Red and Blue.
Here's the move list.
A transitional Pokémon, Kakuna are nearly
     incapable of movement and have no attacking
     abilities. Their only defense is to harden their
     protective shell to fend off antagonists.

     TYPE: Bug/Poison
     HEIGHT: .6 m
     WEIGHT: 10 kg
     EVOLUTION: Weedle-Kakuna-Beedrill
Level        Attack        Type

---            HARDEN    NRM