10) Why You Little…! Bart Simpson has been a well-known troublemaker since The Simpsons began, and his prank-pulling often grinds the gears of other characters, especially his own father, Homer.

This allows Zack to participate in some of The Big Bang Theory‘s funniest moments, especially during the earlier half of its run. 6) Stephen Hawking. Over the course of its 12 seasons, ...