John Byrne

A fascinating curio lurking in Marvel's Bronze Age corners, John Byrne first surfaced in The X-Men #121 in 1979 — sharing those storied pages with legends like Logan, Captain America, and Iron Man — and has quietly accumulated a presence across 46 years of Marvel history. With key-issue appearances to their name and a catalog footprint stretching from G.I. Joe, a Real American Hero to Avengers West Coast and the Fantastic Four Epic Collection, this character moves in remarkably high-profile company for a figure with a modest 15 total appearances. Two of those appearances carry genuine collector significance, making any issue featuring John Byrne worth a second look on the shelf.