Nothing is known about Tremor's origin. At some point he met and teamed up with the other members of the Superior 5.
Tremor was created by Gail Simone, Dale Eaglesham, and Val Semeiks. He is closely modelled on the Inferior Five parody superhero Awkwardman.
Major Story Arcs
Tremor and his team join up with the Secret Society of Super Villains.
Injustice League of America
Apparently independent of his team, Tremor joins the Injustice League.
Tremor is among the villains who are transported to the planet Salvation. He appears to have been among the villains who escape through Lex Luthor's portal. His ultimate fate is unknown.
Powers and Abilities
Tremor has never displayed his superhuman skills, however he is presumably superhumanly strong and capable of living underwater.