User blog comment:Drakan95/Inside Out vs Sigmund Freud. Epic Rap Battles: Cartoons vs History. Season 1 Finale/@comment-24322797-20151019171427/@comment-5264252-20151019193422

I dunno why they'd be a challenge. They've never had a cartoon, ergo they're not cartoon characters. They're comic strip characters. They'd definitely count as history. :P