User blog comment:J1coupe/Diablo vs. Sarah Kerrigan. Epic Rap Battles of Video Games Season 6./@comment-25263388-20141013130120

Some more from me:

Worms vs Metal Slug (hoping you haven't already done worms)

Meepers from Frantix somewhere, maybe against Crypto?

And finally, Tak and Lok from Tak's two games.