Close Combatter (Shish,Razor,Shotgun,Chainsaw,Unarmed)
Scout (Ranger)
Special Forces (Guardians of any Zone or Commander)
Commando
Cavalary (With vehicles )
Heavy Gunner
Demoman (Demolitions&Traps)
Engineer (traps,lockpicks,hacks,utility,extra guns and mods etc)
Sniper
Medic
Spy (always stealth, scope magnum etc,close range kills armed or unarmed)
Artillery Guy (RPG or Missile Guns)
You can also post your own class model. Here above is mine, I will pleased if you name each class more properly.