Mark Proksch

Mark Proksch ( PRUUKSH; born 1978 or 1979) is an American comedian and character actor. He is best known for acting in the television series The Office, Better Call Saul, Dream Corp LLC, What We Do in the Shadows and as a fictionalized version of himself in the On Cinema universe. He rose to prominence when he portrayed the character "K-Strass", a parody of a yo-yo master, who appeared on local news shows.