Skylla Lykos Erebos

'Sif'

Wolf of the Underworld

Σκιλλα
A monstrous sea-goddess whose body was ringed with carnivorous wolf-heads.
She dwelt in a cliffside cave opposite the whirlpool-daemon Charybdis.

'Ερεβος
Region of the Greek underworld where the dead pass immediately after dying.
It means 'deep darkness' or 'sorrow'.