User blog comment:Drakan95/BoJack Horseman vs Mr. Ed 2. Epic Rap Battles: Cartoons vs History. Season 2 Premiere/@comment-5101200-20151102210355

I'm reeeeeeeeeeally unsure of the connection, but Edward & Alphonse Elric vs Ratchet & Clank.

R&C are just the first two who came to mind when trying to think of opponents for the Elrics.

idk