Seymour is a junior worker at the New Frontiersman magazine offices and assistant to Hector Godfrey.

designed by Moore to be "the ordinary common slob".He is the final character shown in Watchmen, playing a pivotal role in the final pages, whom Moore describes as "the most low-life, worthless, nerdy sort of character in the entire book who finally has the fate of the world resting in his pudging fingers".

In the film Seymour is portrayed by Chris Gauthier.