Who's Who: The Definitive Directory of the DC Universe (1985) 2
Apr 1985
07/22/21 - Page 22 - Bizarro
Bizarro is a copy of Superman but he isn't the original Bizarro. The first Bizarro was introduced in 1958 in Superboy 68 (Oct 1958) and was a copy of Superboy. That Bizarro was created by Professor Dalton. The subsequent and better known Bizarro was created by Lex Luthor.

