Gooey (ability)

Effect

Contact with the Pokémon lowers the attacker's Speed stat.

Game descriptions

X​/​Y
O.Ruby​/​A.Sapphire
Contact with the Pokémon lowers the attacker’s Speed stat.
Sun​/​Moon
Ultra Sun​/​Ultra Moon
Contact with the Pokémon lowers the attacker’s Speed stat.

Pokémon with Gooey

No Pokémon have the ability Gooey through regular play.

Gooey as a hidden ability