User blog comment:DudeWithASuit/Taviwave vs Simon Cowell. Dwassy G's Underground Rap Battles Season 2/@comment-24927938-20150701004208

Thought of more suggestions because I can.

ROA vs GLaDOS

Leandro vs Salvador Dali

Mind vs Duck Dynasty

CE vs Jim Henson

Truthbrood vs FilthyFrank

Wach, Gliscor, and someone else vs Weird Al, Bart Baker, and Rucka Rucka Ali