Christopher Joseph Lennertz (born January 2, 1972) is an American musical composer for films, television shows, and video games. His big break came with his musical scores for the 2007 film Alvin and the Chipmunks, Hop, Think Like a Man, and Warner Bros. comedy Horrible Bosses as well as the video game series Medal of Honor created by Steven Spielberg. He composed the score for Supernatural and more recently Revolution, two television series created by Eric Kripke. He also scored Galavant and Sausage Party with Alan Menken and Marvel's Agent Carter including a first ever Marvel musical number co-written with Tony award winning lyricist David Zippel. He wrote the songs for UglyDolls with Glenn Slater for Kelly Clarkson, Nick Jonas, Lizzo, Janelle Monae, and Blake Shelton. Currently he composes the score for the Netflix sci-fi series Lost in Space and the Amazon Prime Video series The Boys from Kripke, Seth Rogen and Evan Goldberg.