Mark Allan Hoppus (born March 15, 1972) is an American musician and record producer. Hoppus is one of the founding members and bass guitarist of thepop punk band Blink-182 and the alternative rock band +44. He plays bass guitar and provides vocals for both bands. As of late, Hoppus has produced albums for groups like Idiot Pilot, New Found Glory, The Matches, and Motion City Soundtrack.

Hoppus will soon host his own weekly television series, A Different Spin with Mark Hoppus, beginning September 2010 on Fuse.

Source: Wikipedia