Scout: 22
Soldier: 44
Pyro: 34
Demoman: 35
Heavy: 45
Engineer: 42
Medic: 52
Sniper: 39
Spy: 37
guys, remember that the medic is the oldest because he has gray hair
and that the soldier is at least over 40 considering he fought in wwii (and the game takes place in the 60s)