Seductress who gives mermaids the opportunity to become human. She gives them a pair of legs in replacement of their fin and if they can find love within 24 hours they stay mortal, however, if they fail, they must give up their immortality to the hag.
Necron
Necron is a skeletal being who feeds off the life force of other beings.To stay alive he needs the immortality which a mermaid has.
Evil Witch
She was imprisoned in a mirror. Escaping when the mirror broke and seeking to corrupt fairy tales for future generations.
Siren
Woman who preys on men with a song that entices them. She breaths smoke into them when she kisses them, causing them to suffocate and die.
Arnon
Demon who wishes to gain power through a young boy's drawings.
Cree
Demon who steals the eyes of gypsies.
Oren
Demon who is trying to steal the evil eye from the Nicoli Gypsy clan.
Baccara
Warlock from the future who traveled to the past in order to help himself create a potion that will enable him to touch the Book of Shadows.
Avatar
Beings who possess unlimited power and use those powers to shape a future in which they control.
Jeric
Demon who mummifies bodies in order to preserve their life. He searches for the perfect body to hold his lover, Isis.
Isis
Lover of Jeric with the power to demummify bodies.
Kaia
Shapeshifter who works for Cole/The Source who was sent to pose as Phoebe in order to expel Phoebe's powers.
Ryder
Demon who attempts to kill the Charmed Ones in order to gain the throne of the Underworld.
Doris
Demon who pretended to fall in love with Victor in order to gain entrance to the Halliwell Manor. She then attempted to kill Victor
Cronyn
Warlock who tried to steal Piper's baby in order to make him into the greatest evil ever in existance.
Demon who attempted to kill the Charmed Ones but failed due to his powers not working.
Crone
Hag that tries to steal Piper's Baby but fails, she does manange to steal Piper's sight, Paige's voice, and Phoebe's hearing though.
Xavier and Tull
Xavier is a demon who is trying to get to the Eternal Spring in order to heal his brother Tull and gain immortality.
Kazi Demon and Kazi King
Demons who helps the Crone steal the Charmed Ones senses. Bother demons are linked telepathically. When one feels pain, the other does as well.
Necromancer
Demon who absorbs magical spirits. He was a former lover of Grams and is also attempting to get her back.
Titans - Cronus, Demetrius, and Meta
Ancient monsters entombed within an ice cave thousands of years ago. They seek revenge on those who entombed him. Meta with the power to turn her vitims into stone. Demetrius with the power to control nature. And Cronus with the power to control fire.