Question: What American actor, better known by his stage name Alphacat, performed "Barack Obama vs. Mitt Romney," a song and music video, along with Peter "Nice Peter" Shukoff, and Lloyd "EpicLLOYD" Ahlquist?
Sentence (from "Barack Obama vs. Mitt Romney"): It is the 8th episode of the 2nd season of the YouTube video series "Epic Rap Battles of History".
Relevant evidence: No