User blog comment:Drakan95/Inside Out vs Sigmund Freud. Epic Rap Battles: Cartoons vs History. Season 1 Finale/@comment-25519319-20151017063243/@comment-25519319-20151017080233

Oops, just realised that someone suggested before Master Yo vs Socrates, after I looked more closely at Wonder's Ying-Yang-Yo suggestion. xP