Matthew Gray Gubler is an American model and film actor. He is popularly known for his work in Hollywood. Some of his notable works include Hot Air (2015), Lesley (2015), Alvin and the Chipmunks: The Squeakquel (2009), Scooby-Doo! Legend of the Phantosaur (2011), Alvin and the Chipmunks: Chipwrecked (2011) and the TV Series, Criminal Minds (2005 to 2016). Matthew is widely known for giving his voice for the character of Simon in the Alvin and the Chipmunks franchise. His upcoming film, Alvin and the Chipmunks: The Road Chip, is set to release in January 2016.