In the video game series, who is Sonic the Hedgehog's main nemesis?

Dr. Eggman

Who was the god intoxicated with wine, celebration, and ecstasy? Which horror movie character invades dreams and wears a clawed glove? In chess, what is the term used when the king cannot escape check? What pagan festival celebrating the Winter Solstice influenced many Christmas traditions? Which NBA player was nicknamed "The Black Mamba"?