Cerebus is a comic book series, created by Canadian cartoonist Dave Sim, which ran from December 1977 until March 2004. The title character of the 300-issue series is an anthropomorphic aardvark who takes on a number of roles throughout the series, including barbarian, prime minister, and pope. The series stands out for its experimentation in form and content, and for the dexterity of its artwork, especially after background artist Gerhard joined with the 65th issue. As the series progressed, it increasingly became a platform for Sim's controversial beliefs.