Tony Harnell is an American singer, best known for his work with Norwegian hard rock band TNT. He is known for his wide vocal range, with his modal voice spanning over four octaves. Harnell has also been the frontman of Starbreaker and Skid Row. Music groups: TNT, Starbreaker, Crush 40, Skid Row, Brazen Abbot, The Jackals, Westworld, Morning Wood, Lovekillers and solo material.