The most annoying person would be the elitist multi boxer.
Everybody is different, but it really 'grinds my gears' when someone who is multiboxing thinks so highly of themselves, just because they are playing 3/4/5 characters.

My girlfriend would fall under 'The Buffer' but she just thinks she is being nice, refreshing buffs and whatnot. :love:

Disgruntled Arena Superstar (my favourite)
Just a mix of The Genius and The Hater until they cool off. Most of the time they end up being The exception (after 10 minutes of verbal abuse haha).