John F. Ryan IV (born November 30, 1970, in Boston, Massachusetts)[1][2] is an American alternative comics creator, writer, and animator.

He also created Pig Goat Banana Cricket, a TV show made jointly with Dave Cooper that Nickelodeon picked up.

[3] In 1998, he began showing his work to Peter Bagge, creator of Hate comics, who introduced the material to Eric Reynolds of Fantagraphics.

[4] Collaborating with Dave Cooper under the pen name "Hector Mumbly",[2] Ryan's comics appeared in nearly every issue of Nickelodeon Magazine.

[5] Ryan's illustrations have appeared in MAD, LA Weekly, National Geographic Kids, Hustler Magazine, The Stranger, and elsewhere.