User blog comment:Drakan95/Dante Alighieri vs The 7 Deadly Sins. Epic Rap Battles: Cartoons vs History. Bonus Battle/@comment-5264252-20160126040922/@comment-5264252-20160126041458

It has indeed been confirmed, in a Season 1 commentary thing by the creator.

https://www.youtube.com/watch?v=ROzSESOWWDA