Seth was born in 1962 in a rural Ontario town. He has been writing and drawing his comic book series Palookaville since 1991 and currently it is where he is serializing the remaining chapters of Clyde Fans. He is the designer of The Complete Peanuts—a 25 book series which will collect the entire run of the Charles Schulz strip. Also of note is Bannock, Beans, and Black Tea—a collaborative book between Seth and his father. He regularly contributes illustrations to The New Yorker and The National Post and recently provided the entire album artwork for Sony records singer-songwriter, Aimee Mann. He currently lives in Guelph, Ontario his wife Tania and their cats.