Chad, Jon: - Jon Chad is obsessed with giant robots, screen-printing, and bookmaking. Chad has been commissioned by Cartoon Network to make artist books based on shows like Adventure Time and The Amazing World of Gumball. He is the illustrator of Science Comics: Solar System, and the author of Leo Geo, Science Comics: Volcanoes, Science Comics: The Periodic Table of Elements, and Pinball: A Graphic History of the Silver Ball. Jon is also the creator of the multi-format immersion narrative BAD MASK.