Dr. Egon Spengler

Appearances

• Ghostbusters: Legion #4
• The Marvel Bumper Comic #5
• Cherry #13 — 1995-04-00
• Toyfare: The Toy Magazine #72 — 2003-08-00
• Ghostbusters: The Other Side #1 — 2008-10-00
• Hundred Penny Press: Ghostbusters: Displaced Aggression #1 — 2011-03-00
• Ghostbusters: Times Scare! #[nn] — 2012-10-00
• Ghostbusters #7 — 2013-08-00
• Teenage Mutant Ninja Turtles / Ghostbusters 2 #3 — 2017-11-15
• Teenage Mutant Ninja Turtles / Ghostbusters 2 #4 — 2017-11-22
• Teenage Mutant Ninja Turtles / Ghostbusters 2 #5 — 2017-11-29
• Teenage Mutant Ninja Turtles / Ghostbusters 2 #[nn] — 2018-02-28
• Teenage Mutant Ninja Turtles: The IDW Collection #10 — 2020-01-22