Len Kaminski
Len Kaminski is credited as writer on 299 issues in grailworth's catalog, 236 issues of them across 44 series we value. Characters first seen in issues they wrote or drew include Ahab, Kosmos, Bloodlust and Whiplash.
Characters they introduced
Every issue
Aftermath (2000) 1 issue
Avengers (1963) 3 issues
Avengers Spotlight (1989) 1 issue
Avengers West Coast (1989) 1 issue
Ghost Rider 2099 (1994) 25 issues
Iron Man (1968) 45 issues
JLA Annual (1997) 1 issue
Justice League Adventures (2002) 1 issue
Lady Death vs. Purgatori (1999) 1 issue
Lady Death: Judgement War (1999) 3 issues
Lady Death: The Rapture (1999) 4 issues
Martian Manhunter Annual (1998) 1 issue
Marvel Comics Presents (1988) 25 issues
Marvel Super-Heroes (1990) 2 issues
Namor, the Sub-Mariner (1990) 1 issue
Purgatori: Empire (2000) 1 issue
The Sensational She-Hulk (1989) 2 issues
Showcase '94 (1994) 1 issue
Showcase '96 (1996) 1 issue
Slapstick (1992) 3 issues
Spectacular Spider-Man (1976) 2 issues
Thor (1966) 1 issue
The Transformers (1984) 1 issue
Ultraverse Unlimited (1996) 1 issue
Venom: The Hunger (1996) 4 issues
Web of Spider-Man (1985) 4 issues
What If...? (1989) 2 issues
X-Men (1963) 1 issue
Credits from the Grand Comics Database, CC BY-SA 4.0.