Roman Sionis
DC, Black Mask
- Also known as
Batman villain, a brutal Gotham crime lord.
Appearances
- Batman #387 — 1985-09-00
- Arkham Asylum #[nn] — 1989-11-00
- Arkham Asylum #[nn] — 1990-06-00
- Hawkworld #9 — 1991-03-00
- Who's Who in the DC Universe Update 1993 #1 — 1992-12-00
- Batman Adventures #5 — 2003-10-00
- Batman Adventures #6 — 2003-11-00
- Batman Adventures #8 — 2004-01-00
- Batgirl #56 — 2004-11-00
- Batman #632 — 2004-11-00
- Batgirl #57 — 2004-12-00
- Batman #649 — 2006-03-00
- Catwoman #69 — 2007-09-00
- Batgirl #6 — 2010-03-00
- Gotham City Sirens #13 — 2010-08-00
- Gotham City Sirens: Songs of the Sirens #[nn] — 2011-01-00
- Gotham City Sirens: Union #[nn] — 2011-06-00
- Gotham City Sirens: Songs of the Sirens #[nn] — 2012-01-00
- Detective Comics #9 — 2012-07-00
- Detective Comics #14 — 2013-01-00
- Detective Comics #18 — 2013-05-00
- Detective Comics #25 — 2014-01-00
- Batman: Li'l Gotham #8 — 2014-01-00
- Batman: Li'l Gotham #9 — 2014-02-00
- Batman by Doug Moench & Kelley Jones #1 — 2014-05-00
- Legends of the Dark Knight 100-Page Super Spectacular #2 — 2014-05-00
- Batman: Kelley Jones Gallery Edition #[nn] — 2014-10-00
- Forever Evil: Arkham War #[nn] — 2014-11-00
- Harley Quinn & the Gotham City Sirens Omnibus #[nn] — 2018-06-00
- Batman: Prelude to Knightfall #[nn] — 2018-11-00
- Detective Comics #1000 — 2019-05-00
- Detective Comics #1000 — 2019-05-00
- Batman: Arkham Asylum #[nn] — 2020-08-00
- Detective Comics #1027 — 2020-11-00
- Detective Comics #1027 — 2020-11-00
- Detective Comics #1027 — 2020-11-00
- Birds of Prey: Hero Hunters #[nn] — 2021-03-00
- Detective Comics #1046 — 2022-02-00
- Batman #119 — 2022-03-00
- Catwoman #46 — 2022-10-00
- Catwoman #48 — 2022-12-00
- Catwoman #52 — 2023-04-00
- Catwoman #54 — 2023-06-00
- Catwoman #2 — 2023-07-00
- Catwoman #55 — 2023-07-00
- Catwoman #56 — 2023-08-00
- Batman #137 (902) — 2023-11-00
- Batman: Under the Red Hood: The Deluxe Edition #[nn] — 2023-11-00
- Catwoman #3 — 2024-01-00
- Batman #140 (905) — 2024-02-00
- Batman #144 — 2024-04-00
- Detective Comics #1084 — 2024-06-00
- Harley Quinn & the Gotham City Sirens: DC Compact Comics Edition #[nn] — 2024-11-00
- Absolute Batman #1 — 2024-12-00
- Absolute Batman #2 — 2025-01-00
- Absolute Batman #3 — 2025-02-00
- Absolute Batman #5 — 2025-04-00
- Absolute Batman #6 — 2025-05-00
- Absolute Batman #1 — 2025-10-00
- Absolute Batman #1 — 2025-10-00
- Absolute Batman #20 — 2026-07-00