Ned's Declassified School Survival Guide (2004) : 2x11

Nicknames: Ned tries to create a new, cool nickname for himself by doing wild stunts but ends up injuring himself in the end, while Moze decides she no longer likes her nickname (Moze) and tries to have her friends simply call her "Jennifer." Cookie invents a nicknaming machine that Loomer quickly steals for his bullying advantage. Cookie sets out to fix what he messed up, while Ned has trouble calling Moze Jennifer. Shyness: Ned finds the Obo twins to be a perfect match for his girlfriend needs and Moze's best-girlfriend need. The only problem is that they're too shy. So Ned and Moze try to make over the twins. Cookie starts up his own shyness seminar.