A spy and an angry Gaben

A shirtless girl with large boobs. (and i'm guessing it was drawn by Palmtreeeeeesss?)

Lazy guy just scribbled. Just draw what you want.

A grey stick figure with long, bendy arms and a mustache wearing a bikini. (wut)

A smurf in a UFO

Medic in the form of a shark healing a spy.

Happy heavy with a shovel

Kawaii Pyro with a rainbow flower in his hair

Spy saying "No thank you"

Demoman (I asume) with an afro.

Twilight Sparkle is now a hamburger.

Soldier at a desk doing paperwork