Hustace Throckmorton was severely hurt when jumped off a building trying to emulate the Black Condor. The only one nearby with a compatible blood type match was Roy Lincoln, secretly the Human Bomb. Lincoln’s blood transfusion not only saved Throckmorton, but also passed along the explosive formula 27-QRX running through his veins. Throckmorton gained the ability to explode like Lincoln, however for some reason, the explosions were channeled only through his feet. Lincoln made Throckmorton Fibra-wax shoes, and revealed his secret identity to Throckmorton. Throckmorton became the Human Bomb’s comic sidekick, often using his awkwardness to distract enemies or get Lincoln into predicaments.
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Throckmorton’s fate after the Human Bomb joined the All-Star Squadron is unknown.
