The Ultra-Humanite

One of Superman's earliest foes, the Ultra-Humanite is a brilliant criminal mastermind — arguably the most intelligent man on Earth — whose enfeebled body compels him to repeatedly transplant his brain into new host forms, most notoriously an albino gorilla.

Few villains can claim to have gone toe-to-toe with Superman from the very dawn of the superhero age, but The Ultra-Humanite can — debuting in Action Comics #13 in 1939, this Golden Age menace was conjured by the legendary duo of Jerry Siegel and Joe Shuster, making them one of the earliest recurring antagonists in the entire superhero genre. Across an astonishing 84-year publishing history stretching from 1939 to 2023, The Ultra-Humanite has proven remarkably durable, resurfacing across Action Comics, Infinity, Inc., and even earning a full entry in Who's Who: The Definitive Directory of the DC Universe — the kind of canonical recognition reserved for characters who truly matter. Three of their appearances carry collector-significant key-issue status, a testament to the outsized mark this villain has left on DC's history. Sharing pages with titans like Superman, Batman, Green Lantern, Hawkman, and Clark Kent, The Ultra-Humanite is woven into the very fabric of the DC Universe — a Golden Age original whose shadow stretches across every era that followed.