From last.fm:

Sun Kil Moon is the current project of San Francisco, California-based singer-songwriter Mark Kozelek, best known for his previous band, Red House Painters. Sun Kil Moon sees Kozelek undertake all the writing, composing, singing and guitar playing accompanied by Anthony Koutsos (also an ex-member of RHP) on drums, and Geoff Stanfield on bass. Tim Mooney also played drums with Sun Kil Moon until his death in June 2012. The band is named after korean bantamweight boxer Moon Sung-Kil. Read more about Sun Kil Moon on Last.fm.