Firestorm

By 1987, the Firestorm matrix had evolved into a complex fusion involving multiple minds, including Russian hero Mikhail Arkadin alongside the familiar presences of Ronnie Raymond and Martin Stein, creating a new chapter for DC's nuclear-powered hero capable of transmuting matter at the atomic level.

Few characters carry the weight of nuclear-age mythology quite like Firestorm, who blazed into the Copper Age in 1987 courtesy of the sharp creative minds of John Ostrander and Ross Andru in the pages of Firestorm the Nuclear Man. Over a remarkable 34-year presence in the DC Universe, this character has shared adventures with some of the publisher's most iconic figures — Green Lantern, Ronnie Raymond, Martin Stein, Mikhail Arkadin, and even Clark Kent himself — a roster that speaks to just how deeply embedded Firestorm is in the fabric of DC storytelling. With key appearances that collectors have flagged as genuinely significant, and a presence spanning Adventures of Superman and Action Comics alongside the home title, this is a character who has clearly earned a place at the table of DC's broader universe. If you're tracing the evolution of one of comics' most visually distinctive concepts across the Copper and Modern Ages, Firestorm's catalog is absolutely worth your time.