Eat lots of beans.
Help.
I guess its just work ethic; Doesnt really do anything all day. Asks dumb questions.But do tell, what is it that's annoying you specifically?
every time he gets up, steal his pen/pencil. remove one from his pen/pencil holder too if he has one. this will most certainly drive him to insanity.
Another good one if you're using windows computers.
Take a screen shot of his desktop then make it his wallpaper. Then set up the taskbar to autohide, and drag it to the left edge of the screen, instead of having it at the bottom.
Throw up on them.