The Riddler

Detective Comics (1937)

Who's Who: The Definitive Directory of the DC Universe (1985)

Who's Who: Update '87 (1987)

Batman: Legends of the Dark Knight (1992)

Batman: Shadow of the Bat (1992)

Fanboy (1999)

Green Arrow (2001)

Batman: Gotham Knights (2000)

Solo (2004)

DC Comics Presents: The Teen Titans (2011)

Solo: The Deluxe Edition (2013)

Batman '66 Omnibus (2018)

Batman: Justice Buster (2023)

Superman's Pal Jimmy Olsen: Who Killed Jimmy Olsen - The Deluxe Edition (2025)