Classes:
Scout- Scattergun, pistol, baseball bat. High speed, low health.
Soldier- Rocket Launcher, Shotgun, Shovel. Slow speed. High health.
Pyro- Flamethrower, Shotgun, Fire Axe. Normal Speed. Normal Health.
Demoman- Pipe Bomb launcher, Stickybomb launcher, Bottle. Slightly slow speed. Slightly high health.
Heavy- Minigun, Shotgun, Fists. Very slow speed. Very high health.
Engineer- Shotgun, Wrench, Pistol, tools to build Sentry Gun, Dispenser, and teleporters. Normal speed. Normal Health.
Medic- Needle Gun, Medigun, Bonesaw. Normal Speed, slightly lower health.
Sniper- Sniper Rifle, Submachine Gun, Machete. Normal speed, Low health.
Take your pick. ;)