Origin of Region
Hawaii
Alola Region
SM / USUM
Marill
Snubull
Altaria
Mr Mime
Altaria
The other three all became Fairy Types in X&Y.
Magma Armor, Flame Body, Steam Engine
The Pokémon boosts its most proficient stat each time it knocks out a Pokémon.
Beast Boost
New York
Unova Region
BW / B2W2
Clamperl
Kirlia
Tyrogue
Nincada
Tyrogue
Has 3 evolutions while the others only have 2
If a Pokemon with this ability is in the first position of the party, the chance of encountering a wild Pokemon is decreased by 50%
Infiltrator, Quick Feet, Stench, White Smoke
Makes stat changes have an opposite effect.
Contrary
France
Kalos Region
XY
Armaldo
Beartic
Gyrados
Overqwil
Gyrados
The other three have Swift Swim as an ability.
If a Pokemon with this ability is in the first position of the party, the wild Pokemon encounter rate is doubled.
Arena Trap, Illuminate, No Guard
Dark-, Ghost-, and Bug-type moves scare the Pokémon and boost its Speed stat.
Rattled
Hokkaido
Sinnoh Region / Hisui Region
DPP / BDSP / Legends Arceus
Banette
Ampharos
Lopunny
Audino
Banette
The other three all gain a type upon Mega Evolution, Ampharos gaining dragon, Lopunny gaining fighting, and Audino gaining Fairy.
Trainers will call via PokeNav twice as often if a Pokemon with this ability is in the first position of the party. (Emerald Only)
Shares an effect with Static outside of battle in SS & BDSP
Lightning Rod
Powers up moves if they become critical hits when attacking.
Sniper
Arizona
Orre Region
Colloseum & XD: Gale of Darkness
Alolan Muk
Galarian Mr. Mime
Goomy
Slurpuff
Slurpuff is the only one without a Signature Ability as of Gen 8. It used to have Sweet Veil. Alolan Muk has Power of Alchemy, Galarian Mr. Mime has Screen Cleaner, and Goomy has Gooey.
Increases the frequencies of cries of wild Pokemon Heard in the overworld (Emerald Only)
Swarm
Boosts the Pokémon's Defense stat sharply when hit by a Water-type move.
Water Compaction