"Been putting work in the lab!"
―Professor Oak[src]

Professor Oak backed up Ash Ketchum in a rap battle against Rainbow Dash, Twilight Sparkle, and Fluttershy in Pokémon vs. My Little Pony. He was voiced by Brock Baker.

Information on the rapperEdit

Professor Samuel Oak is a Pokémon Professor and a major supporting character of the Pokémon anime who lives and works at his research lab in Pallet Town.