User blog comment:J1coupe/Papers, Please: A Story. Epic Rap Battles of Video Games Season 6 Finale./@comment-24078641-20141028042536/@comment-5264252-20141028171454

Actually, I rarely see Bowser and Peach used in fanmades. There's only one fanmade I can recall off the top of my head that used Bowser, and any other battle I remember involving them were part of tourneys.