Abilities, Simple
2 species have Simple as a hidden ability, 3 as a normal one
Of the 1,025 species this site covers, default forms only
SinceGen IV
Normal3
Hidden2
Elsewhere0
Effect, in PokéAPI's words
“Doubles the Pokémon's stat modifiers. These doubled modifiers are still capped at -6 or 6 stages.”
Woobat
Swoobat
Numel
Bidoof
Bibarel