Paul Kevin Jonas II, better known as Kevin Jonas and K2, is an American musician and actor. He is the oldest member of the Jonas Brothers, a pop rock band he created with his younger brothers Joe and Nick. In 2008, he appeared on People magazine's list of the Sexiest Men Alive. On December 19, 2009, he married Danielle Deleasa, whom he had met in the Bahamas in summer of 2007. As of August 2012, Jonas and his wife star in their own E! reality series, Married to Jonas.
Relation with Demi
He is a friend of Demi Lovato, they have both starred together in the Camp Rock 1 & 2 movies and have recorded both the movies albums and a collaboration song, Send It On together. Kevin was also the first one of the Jonas Brothers that Demi met.