Thor

Thor was the Norse god of thunder, lightning, storms, oak trees, strength, destruction, fertility, healing and the protection of mankind.

Thor's room in St. Francis' Folly features a sphere which can shoot lightning and a large hammer which falls and causes a block to fall allowing access to the Thor Key above.

Actually, it was a mistake from the team because as said, Thor is a Norse god and not a Greek god. But he's in the Greece level. In TRA the mistake was corrected and the god is renamed Hephaesteus.

Lara searches for Thor's hammer, Mjolnir, in Tomb Raider Underworld. Lara also searches for his gauntlets and belt.