Scout - Can't really think of anyone that constantly plays the class
Soldier - Luigi, Esqaz
Pyro - Sobe Green, I like to think I'm a very annoying Pyro
Demo - Pink, Dick Miracle Whip
Heavy - RavinReverand, Digity.Jim
Engy - Avalanche
Medic - Groo, Ostwind
Sniper - Jobo, wtf lah*
Spy - Liwi