Mustafa Gündoğdu (born 2 October 1966), best known under his stage name Mousse T., is a German DJ, Grammy Award nominated record producer, film composer and judge on season 15 (2018) of Deutschland sucht den Superstar = Germany's version of American Idol. He is best known for his collaboration with Tom Jones, "Sex Bomb", released on Jones' 2000 album Reload., and for the international House Music classic hit "I'm Horny".
One of the first producers of house music in Germany, alongside contemporaries Boris Dlugosch, DJ Tonka and Ian Pooley, Mousse T. began his career in 1990 as keyboard player for a small band known as Fun Key B. At the same time, he set up his own recording studio and began DJing in the city of Hannover. Besides working on his own productions, usually with partner Errol Rennalls, Mousse T. also wrote and produced tracks for other artists. In 1993, he founded, along with Rennalls, Peppermint Jam Records, a label specializing in uplifting house music and melodic acid jazz.