Morris , who was fronting the Circle Jerks at the time , filled in for Kiedis for a show in 1986 .
The band has also seen musicians such as Keith Morris and Chuck Biscuits briefly fill in for a show or two .
Keith Morris , who was fronting the Circle Jerks at the time , filled in for Kiedis for a show in 1986 .
The band has also seen musicians such as Keith Morris and Chuck Biscuits briefly fill in for a show or two .