William Conover
William Conover (Marvel) appears in 6 issues in grailworth's catalog, and was first published in 1988. First appearance: X-Men #233 (1963), cover dated 1988.
First appearance
Every appearance we value
Punisher (1995) 4 issues
X-Men (1963) 2 issues
Character appearances from the Grand Comics Database, CC BY-SA 4.0.