Nemesis (DC Comics)

Nemesis is the name of two fictional characters in the DC Comics universe. Thomas Andrew Tresser first appeared in The Brave and the Bold #166 (September 1980) and was created by Cary Burkett and Dan Spiegle. Soseh Mykros first appeared in JSA Annual #1 (October 2000) and was created by David S. Goyer and Uriel Caton.