Butterfree
Red/Blue

In battle, it flaps its wings at high speed to release highly toxic dust into the air.

Yellow

Its wings, covered with poisonous powders, repel water. This allows it to fly in the rain.

Evolution Chain

caterpie
Caterpie
Level 7
metapod
Metapod
Level 10
butterfree
Butterfree

Pokédex Data

Classification Butterfly Pokémon
Height 1.1 m (3'07")
Weight 32.0 kg (70.5 lbs)
Abilities N/A in Gen I

Held Items

None in this generation.

Training

EV Yield +2 Sp. Atk
+1 Sp. Def
Catch Rate 45
Base Friendship 70
Growth Rate medium

Learned Moves

Level Up Moves

Red/Blue
Lvl Name Class Power Acc. PP Effect
1 Confusion
50 100% 25 Has a 10% chance to confuse the target.
12 Confusion
50 100% 25 Has a 10% chance to confuse the target.
15 Poison Powder
75% 35 Poisons the target.
16 Stun Spore
75% 30 Paralyzes the target.
17 Sleep Powder
75% 15 Puts the target to sleep.
21 Supersonic
55% 20 Confuses the target.
26 Whirlwind
20 Immediately ends wild battles. Forces trainers to switch Pokémon.
32 Psybeam
65 100% 20 Has a 10% chance to confuse the target.
Yellow
Lvl Name Class Power Acc. PP Effect
1 Confusion
50 100% 25 Has a 10% chance to confuse the target.
10 Confusion
50 100% 25 Has a 10% chance to confuse the target.
13 Poison Powder
75% 35 Poisons the target.
14 Stun Spore
75% 30 Paralyzes the target.
15 Sleep Powder
75% 15 Puts the target to sleep.
18 Supersonic
55% 20 Confuses the target.
23 Whirlwind
20 Immediately ends wild battles. Forces trainers to switch Pokémon.
28 Gust
40 100% 35 Inflicts regular damage and can hit Pokémon in the air.
34 Psybeam
65 100% 20 Has a 10% chance to confuse the target.

TM/HM Moves

Red/Blue
Name Class Power Acc. PP Effect
TM02 Razor Wind
80 100% 10 Requires a turn to charge before attacking.
TM04 Whirlwind
20 Immediately ends wild battles. Forces trainers to switch Pokémon.
TM06 Toxic
90% 10 Badly poisons the target, inflicting more damage every turn.
TM09 Take Down
90 85% 20 User receives 1/4 the damage it inflicts in recoil.
TM10 Double Edge
120 100% 15 User receives 1/3 the damage inflicted in recoil.
TM15 Hyper Beam
150 90% 5 User foregoes its next turn to recharge.
TM20 Rage
20 100% 20 If the user is hit after using this move, its Attack rises by one stage.
TM21 Mega Drain
40 100% 15 Drains half the damage inflicted to heal the user.
TM22 Solar Beam
120 100% 10 Requires a turn to charge before attacking.
TM29 Psychic
90 100% 10 Has a 10% chance to lower the target's Special Defense by one stage.
TM30 Teleport
20 Immediately ends wild battles. No effect otherwise.
TM31 Mimic
10 Copies the target's last used move.
TM32 Double Team
15 Raises the user's evasion by one stage.
TM33 Reflect
20 Reduces damage from physical attacks by half.
TM34 Bide
10 User waits for two turns, then hits back for twice the damage it took.
TM39 Swift
60 20 Never misses.
TM44 Rest
5 User sleeps for two turns, completely healing itself.
TM46 Psywave
100% 15 Inflicts damage between 50% and 150% of the user's level.
TM50 Substitute
10 Transfers 1/4 of the user's max HP into a doll, protecting the user from further damage or status changes until it breaks.
Yellow
Name Class Power Acc. PP Effect
HM05 Flash
100% 20 Lowers the target's accuracy by one stage.
TM02 Razor Wind
80 100% 10 Requires a turn to charge before attacking.
TM04 Whirlwind
20 Immediately ends wild battles. Forces trainers to switch Pokémon.
TM06 Toxic
90% 10 Badly poisons the target, inflicting more damage every turn.
TM09 Take Down
90 85% 20 User receives 1/4 the damage it inflicts in recoil.
TM10 Double Edge
120 100% 15 User receives 1/3 the damage inflicted in recoil.
TM15 Hyper Beam
150 90% 5 User foregoes its next turn to recharge.
TM20 Rage
20 100% 20 If the user is hit after using this move, its Attack rises by one stage.
TM21 Mega Drain
40 100% 15 Drains half the damage inflicted to heal the user.
TM22 Solar Beam
120 100% 10 Requires a turn to charge before attacking.
TM29 Psychic
90 100% 10 Has a 10% chance to lower the target's Special Defense by one stage.
TM30 Teleport
20 Immediately ends wild battles. No effect otherwise.
TM31 Mimic
10 Copies the target's last used move.
TM32 Double Team
15 Raises the user's evasion by one stage.
TM33 Reflect
20 Reduces damage from physical attacks by half.
TM34 Bide
10 User waits for two turns, then hits back for twice the damage it took.
TM39 Swift
60 20 Never misses.
TM44 Rest
5 User sleeps for two turns, completely healing itself.
TM46 Psywave
100% 15 Inflicts damage between 50% and 150% of the user's level.
TM50 Substitute
10 Transfers 1/4 of the user's max HP into a doll, protecting the user from further damage or status changes until it breaks.

Base Stats

Hp 60
Attack 45
Defense 50
Sp. Atk 90
Sp. Def 80
Speed 70
Total 395

Type Defenses

(vs. Gen 6+ rules)

2x
0.25x
2x
2x
0.25x
0x
2x
0.5x
4x