CW’s Batwoman just released a trailer revealing this season’s most awaited villain. Hush. 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 as the antithesis to Batman/Bruce Wayne.

Here is what to expect in his debut.