If you've ever worked alongside someone who wasn't doing their job, you know how much harder that makes your own job. Whether they're lazy, stupid, unpleasant to be around, or just plain terrible at their jobs, these are the worst employees and laziest slackers in pop culture history.
George Costanza was not what one would call a "jack of all trades," since that usually implies being good at one's job. George's vast array of careers on Seinfeld ranged from bra salesman to assisting the Yankees. Time and time again, he was fired from the workplace for a litany of reasons, which included sleeping with the cleaning lady on his desk.