Question: What Youtube video series contained the music video performed by the person with the stage name of Alphacat?
Sentence (from "Iman Crosson"): Iman Crosson (born March 27, 1982), better known by his stage name Alphacat, is an American actor, impressionist and YouTube personality and is known for his impersonations of former U.S. President Barack Obama and his starring role in independent film "Along the Roadside".
Relevant evidence: Yes