TF2 Concept Art

[Taylor]

Saw this on reddit. Here's a link.

Soldier

Sniper

Pyro

Medic

Scout

Engie

Demo

Heavy

 

[Neves]

These are epic and so right on! I've sometimes wondered why they haven't included female models in TF for all of the lady players.

 

[Vlaude]

Very nice! But where's the spy?

 

[AirmidCecht]

Very nice! But where's the spy?

Ditto. Those are amazing. Also, yeah spy?

 

[Cirno]

It's stuff like this that shows that you can feminise a character without sexualising.

And where's the spy?
Disguised/cloaked/"Right behind you"

Taking this moment to link to some of the best promotional material for a game ever:
Team Fortress 2 Characters - YouTube
Team Fortress 2 was a masterwork of characterised design, through and through.