Sean Marquette

Sean Marquette (born June 30, 1988) is an American Actor who is best known for his portrayal as Johnny Atkins in The Goldbergs and Schooled. He's one of the main voice actors in Foster's Home For Imaginary Friends. He is mainly known for his voice as Mac.

While voicing the character, Sean was going through puberty, causing Mac's voice to deepen over the course of Season 2. Despite this, he continued to voice Mac throughout show's entire run.