Delta Machamp (Pokémon)

Delta Machamp (abbreviated as D. Machamp in-game) is a Fairy-type Delta Pokémon.

It is not known to evolve into or from any other Pokémon.

Pokédex Entry
Delta Species are Pokemon [sic] that have a different type than usual.

Route 316
There is a section inside of the cave that requires Rock Climb to access that takes the player to Delta Machamp. It is at level 75 when encountered.