One of Gaiman's ten favorite characters from myths that haunt him, as told to the Guardian:
MedusaRead about another entry on the list.
Medusa's my favourite of all the Greek mythic people. The hair made of writhing snakes, the glance that turns things to stone, even after her head has been removed. I also feel sorry for her immortal Gorgon sisters, Stheno and Euryale, forced to carry on without her for ever.