Nicholas Perri (born May 15, 1984) is an American musician, singer, songwriter, and producer. He is frontman for Philadelphia rock group Nick Perri & The Underground Thieves, as well as founding member of previous groups Silvertide, Mount Holly, and SINAI. Perri has also played for Perry Farrell, Matt Sorum, younger sister Christina Perri, Jimmy Gnecco, Shinedown, Dorothy, and others. Perri has also become one of the new faces of Gibson Guitars, having recently debuted their 60th Anniversary 1959 Gibson Les Paul.