Sept. 28 (UPI) -- The Goo Goo Dolls are embarking on a 20th anniversary tour for seminal album Dizzy Up the Girl, and frontman John Rzeznik is excited to see the "hardcore" fans.Rzeznik, 52, told UPI he considered marking the anniversary of the 1998 album that spawned chart-topping hits "Iris," "Slide" and "Broadway" with shows in New York, Chicago and his native Buffalo, N.Y., but his booking agent suggested he and his bandmates, fellow founding member Robby Takac and current drummer George Tutuska, make it a full tour."And I can't resist going out on tour. So I was like, 'Sure, let's do it!'