1) People who play music on mobiles out loud.
2) People who play music on mobiles/IPods with ear plugs but so loud everyone within a three mile radius can hear it.
3) Slow walkers.
4) People who stand on the left on escalators, blocking the thoroughfare
5) People who think they have no need to indicate when turning left.
6) Idiots who take the blind bend on Mill Lane well in excess of the speed limit (Sadfish for example!)
7) People who like prog rock and get all arsey when you tell them it's a sack of shite
8) People who use text speak on internet forums and emails
9) People who use text speak in texts
10) Irresponsible dog owners
11) Responsible dog owners
12) People chewing gum with their mouth open
And that lot's just off the top of my head! lol