Steaming with anger, he vowed to prove himself to Gotham's mobsters, and when he noticed how modern society was regulated by signs, signals and symbols, he found the inspiration for his criminal career.

[2] Ultimately captured by Batman and Robin, he returned for a rematch a year later and became the Blue Bowman, a copycat of Green Arrow.

[3][4][5] After that, he remained unseen until 1976, when he resumed his Signalman guise in Detective Comics #466 where he actually managed to trap Batman inside the Bat-Signal.

[7][8] In Identity Crisis, Doctor Moon and Phobia kidnap and seemingly kill Signalman.

as an evil alternate universe version of Green Arrow and member of the Injustice Syndicate, voiced by James Arnold Taylor.