Simyan
DC, Evil Factory
- Also known as
Appearances
- Superman's Pal, Jimmy Olsen #135 — 1971-01-00
- Superman's Pal, Jimmy Olsen #136 — 1971-03-00
- Superman's Pal, Jimmy Olsen #137 — 1971-04-00
- Superman's Pal, Jimmy Olsen #138 — 1971-06-00
- Who's Who: The Definitive Directory of the DC Universe #16 — 1986-06-00
- Superman #40 — 1990-02-00
- Superman #43 — 1990-05-00
- Batman #682 — 2009-01-00
- Batman by Grant Morrison #2 — 2025-11-00