Hourman (Rex Tyler)

Rex Tyler is one of the original golden age superheroes of the DC Universe, first appearing in Adventure Comics #48 in 1940 — making him one of the earliest chemically-enhanced heroes in comic book history, predating many of his contemporaries. A brilliant biochemist at Bannermain Chemical, Tyler discovered a miraculous compound he called Miraclo, a pill that granted him superhuman strength, speed, and stamina for exactly one hour at a time. Donning a colorful costume and taking the name Hourman, he became one of the founding members of the legendary Justice Society of America, cementing his place as a cornerstone of DC's golden age legacy.

Hourman's story is deeply tied to the rich history of DC's golden age revival. He served proudly alongside fellow legends like Jay Garrick and Alan Scott in the Justice Society, and later became a key figure in the All-Star Squadron during World War II. His struggle with dependency on Miraclo added a surprisingly modern dimension to the character — a hero battling addiction long before such themes were common in mainstream comics. This complexity made Rex Tyler stand out among his peers and gave writers compelling material to explore across multiple eras of storytelling.

Collectors have long prized Hourman's earliest appearances, with Adventure Comics #48 standing as a true golden age holy grail. His prominent role in Justice Society of America revivals throughout the bronze and modern ages — including Roy Thomas's acclaimed All-Star Squadron run and Geoff Johns's celebrated JSA series — produced numerous key issues that remain highly sought after. The introduction of his son Rick Tyler as a second Hourman and later the android Hourman from the future further expanded the character's legacy and created additional key issues for collectors to chase.

For collectors, Rex Tyler represents the foundation of superhero publishing history. His first appearance is among the most historically significant golden age keys in existence, and his continued presence across JSA team books, crossover events, and limited series means there is a deep and rewarding back issue pool to explore. Whether you are hunting pre-war golden age material or diving into the acclaimed modern JSA runs, Hourman's bibliography offers something genuinely special at every tier of collecting.