Brian Berkowitz, known professionally as Johnny Iguana, is an American Chicago blues pianist, singer and songwriter. He has recorded albums with Junior Wells, Carey Bell, Koko Taylor, Lil' Ed Williams, Eddie Shaw, Matthew Skoller, Lurrie Bell, Carey Bell, Oh My God, and the Claudettes among many others. His own debut as a blues bandleader, Chicago Spectacular!, was issued in August 2020 on Delmark Records.