The Olympians Picture

As the title says, the twelve Greek Gods of Olympus, plus one intruder who didn't actually live on Mt. Olympus.
Can you name them all?

Colouring in progress. Check out the coloured one for more detailed info.
Hephaestus Cheer Up Cover
Hebe - contest entry for Saintfighteraqua
The Olympians
Thunder Slayer Update