Tremor is a name used by several characters in the DC Universe. The original was David Hsu, an enemy of the Fly, and the second was a member of the Superior Five with vibrational powers. Roshanna Chatterji uses the name as an associate of the Secret Six, working as a separate agent for Mockingbird. In the New 52 reboot, Chatterji is seen as part of the Movement.
David Hsu was created by Len Strazewski and Mike Parobeck, first appearing in The Fly #13 (1992). The second Tremor was created by Gail Simone and Dale Eaglesham, first appearing in Villains United #4 (2005). Roshanna Chatterji was created by Gail Simone and Jim Calafiore, first appearing in Secret Six (Volume 3) #25 (2010).
