Goat-Child
Goat-Child (Marvel) appears in 3 issues in grailworth's catalog, and was first published in 1976. First appearance: Werewolf by Night #38 (1972), cover dated 1976.
First appearance
Every appearance we value
Werewolf by Night (1972) 3 issues
Character appearances from the Grand Comics Database, CC BY-SA 4.0.