While the rest of the band's lineup has yet to be revealed, Cooper is curious about the status of guitarist Izzy Stradlin, who played with the band from 1985 through 1991.

"I'm just wondering why isn't Izzy in there?" Cooper tells Rolling Stone. "I don't know about drums, but certainly Izzy is viable. You'd think if Slash and Axl are working together - and Duff is one of those guys that gets along with everybody - then at least Izzy would be one of the guys who would be a shoo-in.