http://en.wikipedia.org/wiki/Dr.\_LukeLukasz Gottwald (born September 26, 1973), better known as Dr. Luke, is an American songwriter, record producer, and remixer. Luke performed with the Saturday Night Live Band band for ten seasons until 2007. He has co-written and co-produced a string of commercially successful songs including Kelly Clarkson's Since U Been Gone, Behind These Hazel Eyes, and My Life Would Suck Without You Pink's Who Knew and U + Ur Hand, Avril Lavigne's Girlfriend, Katy Perry's I Kissed a Girl, Hot N Cold and California Gurls, Britney Spears' Circus, Flo Rida's Right Round, Miley Cyrus's Party in the U.S.A., and Ke$ha's Tik Tok. He was named one of the top ten producers of the decade by Billboard in 2009 and the Songwriter of the Year at the 2010 ASCAP Pop Music Awards.The dude responsible for not only some seriously offensive music but probably the decay of a nation as well (I'm kidding...sort of). CRAP.