Monocle aka Jonathan Cheval was an honest business man but he lost everything to criminals. He sought revenge by becoming a villain and used momocles as his gimick and became an enemy of Hawkman.
Television HistoryMonocle also makes an appearence in the show Justice League Unlimited in the episode "Dead Rockoning" as a member of Gorilla Grodd's Secret Society. in the episode "Alive" he sides against Lex Luthor during the mutiny and is killed in the fighting.
He later appears in the show Batman the Brave and the Bold in the episode "Knights of Tomorrow" seen in flashback being defeated by Batman and Robin.