Who said "The human body is made up of mostly water... and chocolate."?

This quote is attributed to Cartman.

The human body is made up of mostly water... and chocolate. - Cartman

"The human body is made up of mostly water... and chocolate."

Cartman Science

"Screw you guys, I'm going home!"

"I'm not fat, I'm just big-boned!"

"You will respect my authority!"

"Hippies, they're everywhere!"

"Science helps us understand the world."

"I've witnessed the birth of science, and it continues to amaze me."

"I'm something of a scientist myself."

"The fusion process is self-sustaining now!"