Possible Clues:

• Sorceress of Greek myth
• When around fifty, she'd have got around to making a pig of you
• Ghastly innate pun relating to Poseidon
• The witch that kept a piggery on ground rice at last
• Homeric enchantress
• ''The Odyssey'' sorceress
• Greek en-chantress
• She's dangerously fascinating
• She took the concept 'men are pigs' literally
• Enchantress who lived on the island Aeaea