- This version of the character is exclusive to the continuity of the DC Animated Universe and is an adaptation of Black Mask. The original character was created by Doug Moench and Tom Mandrake and first appeared in Batman #386.
- 4 Appearances of Roman Sionis (DCAU)
- 2 Images featuring Roman Sionis (DCAU)
- Quotations by or about Roman Sionis (DCAU)
- Character Gallery: Roman Sionis (DCAU)
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