History of character has not yet been written.
- Business Management
- Tactical Analysis
- Hand-to-Hand Combat (Advanced)
- Toxic Masks
- This version of the character is exclusive to the continuity of the Lego Batman franchise and is an adaptation of Roman Sionis/Black Mask. The original character was created by Doug Moench and Tom Mandrake and first appeared in Batman #386.
- 1 Appearances of Roman Sionis (Lego Batman)
- 1 Images featuring Roman Sionis (Lego Batman)
- Quotations by or about Roman Sionis (Lego Batman)
- Character Gallery: Roman Sionis (Lego Batman)