Bantam
Bantam (time traveler, typically from Earth-1191) appears in 6 issues in grailworth's catalog, and was first published in 1991. First appearance: X-Men #282 (1963), cover dated 1991.
First appearance
Every appearance we value
Bishop (1994) 1 issue
Bishop: The Last X-Man (1999) 2 issues
The Uncanny X-Men Annual (1992) 1 issue
X-Men (1963) 2 issues
Character appearances from the Grand Comics Database, CC BY-SA 4.0.