What the math?

Danimal turned up this 6th grade math textbook during his travails in the education world. I can imagine the publisher and editor brainstorming for the cover. It’s not that hard actually, i used to work for a college textbook publisher. “How do we get the kids excited about math? Put a skateboarder on it!” Sure, just don’t make it a discipline that most kids think is for weird old dudes. Junior high school, where the sine wave of boredom intersects with the bezier curve of apathy. Enlargement after the jump. Let’s figure out who this guy is. Official NoPrize to the first person names the title reference.