Hades, also known as Pluto
Is one of the three most powerful gods. He is the lord of the dead and has been known to be jelous of his brothers fame and ruling olympus. Has succeded in stealing innocent souls of some minor gods, and some sea nymphs in order to present himself as a threat.
Some of his known acociats are his followers, in the underworld, Ceberus the three headed dog, and the three furies are the owns to look out for.