John Rzeznik, American singer-songwriter, guitarist, and producer

John Joseph Theodore Rzeznik (; born December 5, 1965), often known as Johnny Rzeznik, is an American musician, singer-songwriter, and producer. Rzeznik is best known as the guitarist and frontman of the rock band the Goo Goo Dolls, of which he is a founding member and with whom he has recorded 12 studio albums.