Paul Pierre Duval

Born from the crackling imagination of Stan Lee and Jack Kirby in Fantastic Four Annual #3 back in 1965, Paul Pierre Duval is a Silver Age Marvel original with staying power that few characters from that era can match — still turning up in comics six decades later and counting. His 70 catalogued appearances span some of Marvel's most iconic titles, with Thor, Invincible Iron Man, and Immortal Thor serving as his most frequent stomping grounds, putting him in the company of legends like Thor, Tony Stark, and Spider-Man. Two of those appearances carry genuine key-issue weight, the kind that makes collectors sit up and take notice. Whether you're a Silver Age devotee or just discovering the deep bench of Marvel's richly populated universe, Paul Pierre Duval is exactly the sort of enduring figure who rewards a closer look.