In other gens:

Confusion

Type	Psychic
Category	Special
Power	50 BP
Accuracy	100%
Priority	0
PP	25

Has a 10% chance to confuse the target.

Targets: Any adjacent.

Move flags:

Can be selected by Metronome.
Can be copied by Mirror Move.
Blocked by protection moves.

(Inadequate description? Let us know in this thread.)

Pokemon

Alakazam

Psychic

Synchronize
If another Pokemon burns/poisons/paralyzes this Pokemon, it also gets that status.

Inner Focus
This Pokemon cannot be made to flinch.

Atk

Def

SpA

135

SpD

Spe

120

Azelf

Psychic

Levitate
This Pokemon is immune to Ground; Gravity/Ingrain/Iron Ball nullify it.

Atk

125

Def

SpA

125

SpD

Spe

115

Baltoy

Levitate
This Pokemon is immune to Ground; Gravity/Ingrain/Iron Ball nullify it.

Atk

Def

SpA

SpD

Spe

Bronzong

Levitate
This Pokemon is immune to Ground; Gravity/Ingrain/Iron Ball nullify it.

Heatproof
The power of Fire-type attacks against this Pokemon is halved; burn damage halved.

Atk

Def

116

SpA

SpD

116

Spe

Bronzor

Levitate
This Pokemon is immune to Ground; Gravity/Ingrain/Iron Ball nullify it.

Heatproof
The power of Fire-type attacks against this Pokemon is halved; burn damage halved.

Atk

Def

SpA

SpD

Spe

Butterfree

Compound Eyes
This Pokemon's moves have their accuracy multiplied by 1.3.

Atk

Def

SpA

SpD

Spe

Celebi

Natural Cure
This Pokemon has its non-volatile status condition cured when it switches out.

100

Atk

100

Def

100

SpA

100

SpD

100

Spe

100

Chimecho

Psychic

Levitate
This Pokemon is immune to Ground; Gravity/Ingrain/Iron Ball nullify it.

Atk

Def

SpA

SpD

Spe

Chingling

Psychic

Levitate
This Pokemon is immune to Ground; Gravity/Ingrain/Iron Ball nullify it.

Atk

Def

SpA

SpD

Spe

Claydol

Levitate
This Pokemon is immune to Ground; Gravity/Ingrain/Iron Ball nullify it.

Atk

Def

105

SpA

SpD

120

Spe

Cresselia

Psychic

Levitate
This Pokemon is immune to Ground; Gravity/Ingrain/Iron Ball nullify it.

UUBL

120

Atk

Def

120

SpA

SpD

130

Spe

Drowzee

Psychic

Insomnia
This Pokemon cannot fall asleep. Gaining this Ability while asleep cures it.

Forewarn
On switch-in, this Pokemon is alerted to the foes' move with the highest power.

Atk

Def

SpA

SpD

Spe

Dustox

Shield Dust
This Pokemon is not affected by the secondary effect of another Pokemon's attack.

Atk

Def

SpA

SpD

Spe

Espeon

Psychic

Synchronize
If another Pokemon burns/poisons/paralyzes this Pokemon, it also gets that status.

NUBL

Atk

Def

SpA

130

SpD

Spe

110

Exeggcute

Chlorophyll
If Sunny Day is active, this Pokemon's Speed is doubled.

Atk

Def

SpA

SpD

Spe

Exeggutor

Chlorophyll
If Sunny Day is active, this Pokemon's Speed is doubled.

Atk

Def

SpA

125

SpD

Spe

Gallade

Steadfast
If this Pokemon flinches, its Speed is raised by 1 stage.

UUBL

Atk

125

Def

SpA

SpD

115

Spe

Gardevoir

Psychic

Synchronize
If another Pokemon burns/poisons/paralyzes this Pokemon, it also gets that status.

Trace
On switch-in, or when it can, this Pokemon copies a random adjacent foe's Ability.

Atk

Def

SpA

125

SpD

115

Spe

Girafarig

Inner Focus
This Pokemon cannot be made to flinch.

Early Bird
This Pokemon's sleep counter drops by 2 instead of 1.

Atk

Def

SpA

SpD

Spe

Golduck

Water

Damp
Prevents Explosion/Self-Destruct/Aftermath while this Pokemon is active.

Cloud Nine
While this Pokemon is active, the effects of weather conditions are disabled.

Atk

Def

SpA

SpD

Spe

Gorebyss

Water

Swift Swim
If Rain Dance is active, this Pokemon's Speed is doubled.

Atk

Def

105

SpA

114

SpD

Spe

Hoothoot

Insomnia
This Pokemon cannot fall asleep. Gaining this Ability while asleep cures it.

Keen Eye
Prevents other Pokemon from lowering this Pokemon's accuracy stat stage.

Atk

Def

SpA

SpD

Spe

Hoppip

Chlorophyll
If Sunny Day is active, this Pokemon's Speed is doubled.

Leaf Guard
If Sunny Day is active, this Pokemon cannot be statused, but Rest works normally.

Atk

Def

SpA

SpD

Spe

Hypno

Psychic

Insomnia
This Pokemon cannot fall asleep. Gaining this Ability while asleep cures it.

Forewarn
On switch-in, this Pokemon is alerted to the foes' move with the highest power.

Atk

Def

SpA

SpD

115

Spe

Jirachi

Serene Grace
This Pokemon's moves have their secondary effect chance doubled.

100

Atk

100

Def

100

SpA

100

SpD

100

Spe

100

Jumpluff

Chlorophyll
If Sunny Day is active, this Pokemon's Speed is doubled.

Leaf Guard
If Sunny Day is active, this Pokemon cannot be statused, but Rest works normally.

Atk

Def

SpA

SpD

Spe

110

Jynx

Oblivious
This Pokemon cannot be infatuated. Gaining this Ability while infatuated cures it.

Forewarn
On switch-in, this Pokemon is alerted to the foes' move with the highest power.

Atk

Def

SpA

115

SpD

Spe

Kadabra

Psychic

Synchronize
If another Pokemon burns/poisons/paralyzes this Pokemon, it also gets that status.

Inner Focus
This Pokemon cannot be made to flinch.

Atk

Def

SpA

120

SpD

Spe

105

Kirlia

Psychic

Synchronize
If another Pokemon burns/poisons/paralyzes this Pokemon, it also gets that status.

Trace
On switch-in, or when it can, this Pokemon copies a random adjacent foe's Ability.

Atk

Def

SpA

SpD

Spe

Lunatone

Levitate
This Pokemon is immune to Ground; Gravity/Ingrain/Iron Ball nullify it.

Atk

Def

SpA

SpD

Spe

Medicham

Pure Power
This Pokemon's Attack is doubled.

Atk

Def

SpA

SpD

Spe

Meditite

Pure Power
This Pokemon's Attack is doubled.

Atk

Def

SpA

SpD

Spe

Mesprit

Psychic

Levitate
This Pokemon is immune to Ground; Gravity/Ingrain/Iron Ball nullify it.

Atk

105

Def

105

SpA

105

SpD

105

Spe

Metagross

Clear Body
Prevents other Pokemon from lowering this Pokemon's stat stages.

Atk

135

Def

130

SpA

SpD

Spe

Metang

Clear Body
Prevents other Pokemon from lowering this Pokemon's stat stages.

Atk

Def

100

SpA

SpD

Spe

Mewtwo

Psychic

Pressure
If this Pokemon is the target of a move, that move loses one additional PP.

Uber

106

Atk

110

Def

SpA

154

SpD

Spe

130

Mime Jr.

Psychic

Soundproof
This Pokemon is immune to sound-based moves, including Heal Bell.

Filter
This Pokemon receives 3/4 damage from supereffective attacks.

Atk

Def

SpA

SpD

Spe

Mothim

Swarm
At 1/3 or less of its max HP, this Pokemon's Bug-type attacks have 1.5x power.

Atk

Def

SpA

SpD

Spe

Mr. Mime

Psychic

Soundproof
This Pokemon is immune to sound-based moves, including Heal Bell.

Filter
This Pokemon receives 3/4 damage from supereffective attacks.

Atk

Def

SpA

100

SpD

120

Spe

Nidoking

Poison Point
30% chance a Pokemon making contact with this Pokemon will be poisoned.

Rivalry
This Pokemon's attacks do 1.25x on same gender targets; 0.75x on opposite gender.

Atk

Def

SpA

SpD

Spe

Nidoran-M

Poison

Poison Point
30% chance a Pokemon making contact with this Pokemon will be poisoned.

Rivalry
This Pokemon's attacks do 1.25x on same gender targets; 0.75x on opposite gender.

Atk

Def

SpA

SpD

Spe

Nidorino

Poison

Poison Point
30% chance a Pokemon making contact with this Pokemon will be poisoned.

Rivalry
This Pokemon's attacks do 1.25x on same gender targets; 0.75x on opposite gender.

Atk

Def

SpA

SpD

Spe

Noctowl

Insomnia
This Pokemon cannot fall asleep. Gaining this Ability while asleep cures it.

Keen Eye
Prevents other Pokemon from lowering this Pokemon's accuracy stat stage.

100

Atk

Def

SpA

SpD

Spe

Psyduck

Water

Damp
Prevents Explosion/Self-Destruct/Aftermath while this Pokemon is active.

Cloud Nine
While this Pokemon is active, the effects of weather conditions are disabled.

Atk

Def

SpA

SpD

Spe

Ralts

Psychic

Synchronize
If another Pokemon burns/poisons/paralyzes this Pokemon, it also gets that status.

Trace
On switch-in, or when it can, this Pokemon copies a random adjacent foe's Ability.

Atk

Def

SpA

SpD

Spe

Skiploom

Chlorophyll
If Sunny Day is active, this Pokemon's Speed is doubled.

Leaf Guard
If Sunny Day is active, this Pokemon cannot be statused, but Rest works normally.

Atk

Def

SpA

SpD

Spe

Slowbro

Oblivious
This Pokemon cannot be infatuated. Gaining this Ability while infatuated cures it.

Own Tempo
This Pokemon cannot be confused.

Atk

Def

110

SpA

100

SpD

Spe

Slowking

Oblivious
This Pokemon cannot be infatuated. Gaining this Ability while infatuated cures it.

Own Tempo
This Pokemon cannot be confused.

Atk

Def

SpA

100

SpD

110

Spe

Slowpoke

Oblivious
This Pokemon cannot be infatuated. Gaining this Ability while infatuated cures it.

Own Tempo
This Pokemon cannot be confused.

Atk

Def

SpA

SpD

Spe

Smoochum

Oblivious
This Pokemon cannot be infatuated. Gaining this Ability while infatuated cures it.

Forewarn
On switch-in, this Pokemon is alerted to the foes' move with the highest power.

Atk

Def

SpA

SpD

Spe

Solrock

Levitate
This Pokemon is immune to Ground; Gravity/Ingrain/Iron Ball nullify it.

Atk

Def

SpA

SpD

Spe

Tangela

Grass

Chlorophyll
If Sunny Day is active, this Pokemon's Speed is doubled.

Leaf Guard
If Sunny Day is active, this Pokemon cannot be statused, but Rest works normally.

Atk

Def

115

SpA

100

SpD

Spe

Tangrowth

Grass

Chlorophyll
If Sunny Day is active, this Pokemon's Speed is doubled.

Leaf Guard
If Sunny Day is active, this Pokemon cannot be statused, but Rest works normally.

100

Atk

100

Def

125

SpA

110

SpD

Spe

Uxie

Psychic

Levitate
This Pokemon is immune to Ground; Gravity/Ingrain/Iron Ball nullify it.

Atk

Def

130

SpA

SpD

130

Spe

Venomoth

Shield Dust
This Pokemon is not affected by the secondary effect of another Pokemon's attack.

Tinted Lens
This Pokemon's attacks that are not very effective on a target deal double damage.

Atk

Def

SpA

SpD

Spe

Venonat

Compound Eyes
This Pokemon's moves have their accuracy multiplied by 1.3.

Tinted Lens
This Pokemon's attacks that are not very effective on a target deal double damage.

Atk

Def

SpA

SpD

Spe

Wormadam

Anticipation
On switch-in, this Pokemon shudders if any foe has a supereffective or OHKO move.

Atk

Def

SpA

SpD

105

Spe

Wormadam-Sandy

Anticipation
On switch-in, this Pokemon shudders if any foe has a supereffective or OHKO move.

Atk

Def

105

SpA

SpD

Spe

Wormadam-Trash

Anticipation
On switch-in, this Pokemon shudders if any foe has a supereffective or OHKO move.

Atk

Def

SpA

SpD

Spe