John Joseph Theodore Rzeznik (born December 5, 1965) is an American songwriter, guitarist, vocalist and producer. He is best known as the lead guitarist, vocalist, frontman, and primary songwriter of the rock band the Goo Goo Dolls, of which he is a founding member and with whom he has recorded nine studio albums. He contributed the songs I'm Still Here and Always Know Where You Are in the 2002 Disney film Treasure Planet.