The Fallen Angels are angels that help Lucifer in his rebellion against Gods, but Lucifer, and this Angels were defeated by Athena (Michael) and become Fallen Angels in the Makai. But, He is released from Makai with Lucifer by Eris, Abel and Poseidon and attacks the 12 temples, defeating Mu, Aldebaran, Aiolia, Shaka and Milo, and don't defeat Dohko because he was not in the Sanctuary, and goes protect the Fukumaden.
They disappears after his death, like other angels.
Is an angel that has the same skill of snakes, so, he can attack like a snake. He appears to stops the bronze saints invasion, but Shiryu tries to defeat him and Beelzebub, and Shiryu only defeats Ashtaroth
Is an angel that has the power to fly. He appears to stops the bronze saints invasion, but Shiryu tries to defeat him and Beelzebub, and Shiryu only defeats Ashtaroth but Beelzebub after getting away, returns to attack Shiryu with his flight.
After, he tries kill Seiya, but with the Sagittarius Cloth, Seiya kills him.
Mois is a androgynnus angel and almost as beauty as Lucifer. He appears to Hyoga and Seiya with butterflies. Hyoga stay there to fight against him, but Mois uses his illusories powers to bring Hyoga in a illusion of his mother. Hyoga leaves the illusion and recover the seriousness and kill Mois.
He main skill is create illusions.
He (is a masked villain) appears to Hyoga, Shun and Seiya after a piece of cornerstone become him. Shun tries fight against him, but he cuts all his chains with his claws (main skill) and after this, Ikki arrives and defeats him.