Give some stream of consciousness and then the answer. Chris Sullivan (born July 19, 1980) is an American actor and musician. He is known for playing Taserface in Guardians of the Galaxy Vol. 2. He first gained attention for his portrayal of Tom Cleary on the Cinemax drama The Knick. He played Benny Hammond in Stranger Things and currently stars as Toby on the NBC drama This Is Us.

Answer this question: who did chris sullivan play in guardians of the galaxy 2?
The important part for answering this question is: He is known for playing Taserface in Guardians of the Galaxy Vol. 2.
Therefore, the answer is Taserface.