User blog comment:Drakan95/Naruto vs Batman. Epic Rap Battles: Cartoons vs History/@comment-5101200-20150929180743

Naruto's last line holy shit. He wins for me.

As for the hint

News blog has two hints left: Brain and Sherlock vs L hint.

Brain for next one. Hannibal is a genius.

Brain is theorized as Freud vs Inside Out.

I'll go with the guess of Freud vs Inside Out as finale.