User blog comment:Drakan95/Atticus Finch vs Harvey Birdman. Epic Rap Battles: Cartoons vs History. Season 2/@comment-26135878-20160417231109

Battle Royale:

Aku (Samurai Jack) vs. HIM (PPG) vs. Trigon (Teen Titans Go!) vs. The Lich (Adventure Time) vs. Bill Cipher (Gravity Falls)

(But it starts off with Aku vs. HIM)