| Title
| Entry
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| First Pokémon generation
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| Pokémon Red and Blue
| Its short feet are tipped with suction pads that enable it to tirelessly climb slopes and walls.
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| Pokémon Yellow
| If you touch the feeler on top of its head, it will release a horrible stink to protect itself.
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| Pokémon Stadium
| It has large, eye-like patterns on its head as protection. They are used to frighten off enemies.
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| Second Pokémon generation
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| Pokémon Gold
| For protection, it releases a horrible stench from the antennae on its head to drive away enemies.
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| Pokémon Silver
| Its feet have suction cups designed to stick to any surface. It tenaciously climbs trees to forage.
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| Pokémon Crystal
| It crawls into foliage where it camouflages itself among leaves that are the same color as its body.
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| Third Pokémon generation
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| Pokémon Ruby
| 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.
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| Pokémon 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.
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| Pokémon Emerald
| Its voracious appetite compels it to devour leaves bigger than itself without hesitation. It releases a terribly strong odor from its antennae.
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| Pokémon FireRed
| It is covered with a green skin. When it grows, it sheds the skin, covers itself with silk, and becomes a cocoon.
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| Pokémon LeafGreen
| Its short feet are tipped with suction pads that enable it to tirelessly climb slopes and walls.
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| Fourth Pokémon generation
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| Pokémon Diamond
| It releases a stench from its red antenna to repel enemies. It grows by molting repeatedly.
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| Pokémon Pearl
| It releases a stench from its red antenna to repel enemies. It grows by molting repeatedly.
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| Pokémon Platinum
| It releases a stench from its red antenna to repel enemies. It grows by molting repeatedly.
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| Pokémon HeartGold
| For protection, it releases a horrible stench from the antennae on its head to drive away enemies.
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| Pokémon SoulSilver
| Its feet have suction cups designed to stick to any surface. It tenaciously climbs trees to forage.
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| Fifth Pokémon generation
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| Pokémon Black
| It releases a stench from its red antenna to repel enemies. It grows by molting repeatedly.
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| Pokémon White
| It releases a stench from its red antenna to repel enemies. It grows by molting repeatedly.
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| Pokémon Black 2
| It releases a stench from its red antenna to repel enemies. It grows by molting repeatedly.
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| Pokémon White 2
| It releases a stench from its red antenna to repel enemies. It grows by molting repeatedly.
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| Sixth Pokémon generation
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| Pokémon X
| For protection, it releases a horrible stench from the antennae on its head to drive away enemies.
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| Pokémon Y
| Its feet have suction cups designed to stick to any surface. It tenaciously climbs trees to forage.
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| Pokémon Omega Ruby
| 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.
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| Pokémon 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.
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| Pokémon Sun
| When attacked by bird Pokémon, it resists by releasing a terrifically strong odor from its antennae, but it often becomes their prey.
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| Pokémon Moon
| It's easy to catch, and it grows quickly, making it one of the top recommendations for novice Pokémon Trainers.
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| Title
| Location(s)
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| First Pokémon generation
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| Pokémon Red and Blue
| Routes 2, 24, and 25, Viridian Forest
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| Pokémon Yellow
| Viridian Forest
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| Second Pokémon generation
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| Pokémon Gold
| Morn/Day: Routes 2, 30, and 31, Ilex Forest and National Park
National Park (Bug-Catching Contest)
Headbutt: Azalea Town, Ilex Forest, Lake of Rage, Routes 26, 27, 34, 35, 36, 37, 38, 39
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| Pokémon Silver
| National Park (Bug-Catching Contest)
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| Pokémon Crystal
| Morn/Day: Routes 2, 24, 25, 30, and 31, Ilex Forest and National Park
National Park (Bug-Catching Contest)
Headbutt: Ilex Forest
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| Third Pokémon generation
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| Pokémon Ruby
| Trade
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| Pokémon FireRed
| Routes 2, 24, and 25, Viridian Forest
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| Pokémon LeafGreen
| Routes 2, 24, and 25, Viridian Forest
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| Fourth Pokémon generation
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| Pokémon Diamond
| Route 204 (FireRed)
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| Pokémon Pearl
| Route 204 (FireRed)
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| Pokémon Platinum
| Route 204, Eterna Forest (FireRed)
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| Pokémon HeartGold
| Morn/Day: Routes 2, Route 30, and Route 31, Ilex Forest, National Park and Viridian Forest
National Park (Bug-Catching Contest)
Headbutt: Ilex Forest
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| Pokémon SoulSilver
| National Park (Bug-Catching Contest)
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| Fifth Pokémon generation
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| Pokémon Black
| Trade
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| Pokémon White
| Breed Metapod or Butterfree
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| Pokémon Black 2
| Trade
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| Pokémon White 2
| Breed Butterfree
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| Sixth Pokémon generation
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| Pokémon X
| Santalune Forest
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| Pokémon Y
| Route 2, Santalune Forest
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| Pokémon Omega Ruby
| Trade
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| Seventh Pokémon generation
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| Pokémon Sun
| Routes 1 and 5, Melemele Meadow, Lush Jungle
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| Pokémon Moon
| Routes 1 and 5, Melemele Meadow, Lush Jungle
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