1. The "don't talk to me till I've had my coffee" person
  2. Guy who quotes Office Space, "case of the Mondays" "TPS reports" etc...
  3. "Workin hard or hardly workin?" joker.
  4. Coworkers that eat tuna.
  5. I.T. guy that asks you if your computer is plugged in every time there's a problem
  6. Guy who listens to Papa Roach in his headphones but it's still loud enough to hear.