"American Splendor" is a comic book series created by Harvey Pekar that chronicles his everyday life in Cleveland, Ohio. The series is known for its realistic portrayal of mundane experiences, exploring themes of work, relationships, and the struggles of an average American. The comic gained popularity for its unique storytelling style and was adapted into a film in 2003, which blended live-action and animation. The film features Paul Giamatti as Pekar and highlights his interactions with various characters, including Robert Crumb, a notable underground cartoonist who contributed to the series.