User blog comment:J1coupe/Ivy Valentine vs. Mai Shiranui. Epic Rap Battles of Video Games Season 6./@comment-6632076-20141007025833/@comment-5613009-20141008050809

And there's the suggestion of Sam and Max vs ToeJam and Earl as well.

Sam and Max is so popular.. I'll eventually have to settle on one of them, but I just don't know which xP