He's Donkey Kong, obviously
Dum Dummmmm (lower octave), Dum Dum-Dum-Dum-Dum-Dum (Dum Dum-Dum-Dum-Dum-Dum) Duh Na Na Num Num NUUUUUUUUUUM, Dum Dum Dum Dummmm Dum-Dum, Da Na-Na-Na-Num Dum Dum Dum, Dum Dum-Dum-Dum Da-Na-Num, Du.... Uh...