Robert Chalmers
Robert Chalmers (Marvel) appears in 8 issues in grailworth's catalog, and was first published in 1969. First appearance: X-Men #57 (1963), cover dated 1969.
First appearance
Every appearance we value
Avengers (1963) 1 issue
Marvel Super-Heroes (1990) 1 issue
X-Men (1963) 4 issues
X-Men The Hidden Years (1999) 1 issue
Character appearances from the Grand Comics Database, CC BY-SA 4.0.