| Pokedex Entries: |
| Red | Almost incapable of moving, this Pokémon can only harden its shell to protect itself from predators. |
| Blue |
| Yellow | Able to move only slightly. When endangered, it may stick out its stinger and poison its enemy. |
| Gold | Although it is a cocoon, it can move a little. It can extend its poison barb if it is attacked. |
| Silver | From this form, it will grow into an adult. As its body becomes softer, the external shell hardens. |
| Crystal | Nearly incapable of movement, it leans against stout trees while waiting for its evolution. |
| Ruby | KAKUNA remains virtually immobile as it clings to a tree. However, on the inside, it is extremely busy as it prepares for its coming evolution. This is evident from how hot the shell becomes to the touch. |
| Sapphire |
| Emerald | It remains virtually immobile while it clings to a tree. However, on the inside, it busily prepares for evolution. This is evident from how hot its shell becomes. |
| FireRed | This POKéMON is in a temporary stage while making its body. It is almost completely unable to move on its own. |
| LeafGreen | Almost incapable of moving, this Pokémon can only harden its shell to protect itself from predators. |
| Diamond | While awaiting evolution, it hides from predators under leaves and in nooks of branches. |
| Pearl |
| Stadium 1 | Because it is virtually motionless, it may appear dead. Inside, however, a new body is being made. |
| Stadium 2 | Although it is a cocoon, it can move a little. It can extend its poison barb if it is attacked. |
