Hush (Dr. Thomas Elliot) is a fictional supervillain app...wikipedia - 23 Aug 2020
Hush (Dr. Thomas Elliot) is a fictional supervillain appearing in comic books published by DC Comics, commonly as an adversary of the superhero Batman. Hush first appeared in Batman #609 (January 2003) as part of the 12-issue storyline Batman: Hush. He was created by Jeph Loeb and Jim Lee. The character serves as a former friend-turn-criminal foil personality to the Dark Knight Detective.