| 1 | Red, Blue | Its short feet are tipped with suction pads that enable it to tirelessly climb slopes and walls. |
| 1 | Yellow | If you touch the feeler on top of its head, it will release a horrible stink to protect itself. |
| 1 | Stadium | It has large, eye-like patterns on its head as protection. They are used to frighten off enemies. |
| 2 | Gold | For protection, it releases a horrible stench from the antennae on its head to drive away enemies. |
| 2 | Silver | Its feet have suction cups designed to stick to any surface. It tenaciously climbs trees to forage. |
| 2 | Crystal | It crawls into foliage where it camouflages itself among leaves that are the same color as its body. |
| 2 | Stadium 2 | For protection, it releases a horrible stench from the antennae on its head to drive away enemies. |
| 3 | Ruby, Sapphire | Caterpie has a voracious appetite. It can devour leaves bigger than its body right before your eyes. From its antenna, this Pokémon releases a terrifically strong odor. |
| 3 | Emerald | Its voracious appetite compels it to devour leaves bigger than itself without hesitation. It releases a terribly strong odor from its antennae. |
| 3 | FireRed | It is covered with a green skin. When it grows, it sheds the skin, covers itself with silk, and becomes a cocoon. |
| 3 | LeafGreen | Its short feet are tipped with suction pads that enable it to tirelessly climb slopes and walls. |
| 4 | Diamond, Pearl, Platinum | It releases a stench from its red antenna to repel enemies. It grows by molting repeatedly. |
| 4 | HeartGold | For protection, it releases a horrible stench from the antennae on its head to drive away enemies. |
| 4 | SoulSilver | Its feet have suction cups designed to stick to any surface. It tenaciously climbs trees to forage. |
| 5 | Black, White, Black 2, White 2 | It releases a stench from its red antenna to repel enemies. It grows by molting repeatedly. |
| 6 | X | For protection, it releases a horrible stench from the antennae on its head to drive away enemies. |
| 6 | Y | Its feet have suction cups designed to stick to any surface. It tenaciously climbs trees to forage. |
| 6 | Omega Ruby, Alpha Sapphire | Caterpie has a voracious appetite. It can devour leaves bigger than its body right before your eyes. From its antenna, this Pokémon releases a terrifically strong odor. |
| 7 | Sun | When attacked by bird Pokémon, it resists by releasing a terrifically strong odor from its antennae, but it often becomes their prey. |
| 7 | Moon | It's easy to catch, and it grows quickly, making it one of the top recommendations for novice Pokémon Trainers. |
| 7 | Ultra Sun | Perhaps because it would like to grow up quickly, it has a voracious appetite, eating a hundred leaves a day. |
| 7 | Ultra Moon | Its body is soft and weak. In nature, its perpetual fate is to be seen by others as food. |
| 7 | Let's Go, Pikachu!, Let's Go, Eevee! | If you touch the feeler on top of its head, it will release a horrible stink to protect itself. |
| 8 | Sword | For protection, it releases a horrible stench from the antenna on its head to drive away enemies. |
| 8 | Shield | Its short feet are tipped with suction pads that enable it to tirelessly climb slopes and walls. |
