Dave Sim is a Canadian comic book writer and artist, best known for creating the independent comic series Cerebus. Launched in 1977, Cerebus is notable for its long run of 300 issues, making it one of the first graphic novels to achieve such a milestone. Sim's work is recognized for its unique blend of humor, political commentary, and exploration of various themes, including gender and religion. In addition to his work on Cerebus, Sim has been influential in the comic book industry, advocating for creator rights and self-publishing. His contributions have inspired many independent artists and writers, helping to shape the landscape of modern comics.