Abilities, Huge Power
2 species have Huge Power as a hidden ability, 3 as a normal one
Of the 1,025 species this site covers, default forms only
SinceGen III
Normal3
Hidden2
Elsewhere2
Effect, in PokéAPI's words
“Doubles Attack in battle.”
As a hidden ability
Bunnelby
DiggersbyAs a normal ability
Marill
Azumarill
AzurillElsewhere in PokéAPI
2 more holders without a page here
Alternate forms and other species that PokéAPI lists with Huge Power.
Mawile Mega, Starmie Mega