Doctor Demonicus (Douglas Birely, Marvel)
Doctor Demonicus (Douglas Birely, Marvel) appears in 8 issues in grailworth's catalog, and was first published in 1977. First appearance: Godzilla #4 (1977), cover dated 1977.
First appearance
Origin
Every appearance we value
Godzilla (1977) 2 issues
Godzilla vs. Hulk (2025) 1 issue
Iron Man (1968) 2 issues
Character appearances from the Grand Comics Database, CC BY-SA 4.0.