Generation Iv
Reckless
Powers up moves that have recoil damage.
Detailed Effect
This Pokémon's recoil moves and crash moves have 1.2× their base power. Struggle is unaffected. The "crash moves" are the moves that damage the user upon missing: Jump Kick and High Jump Kick.
Pokémon With Reckless
13 canonical Pokémon forms can have this Ability.

Hitmonlee 
Basculin Red Striped 
Bouffalant
Obstagoon
Rhyhorn 
Rhydon
Starly
Staravia
Staraptor
Rhyperior
Emboar
Mienfoo
Mienshao