1. Ichthyocentaurs

A pair of brothers named Bythos and Aphros whose parents are the mighty god Poseidon and the sea goddess Amphitrite. Believed to be part man, part horse and part fish. Not much is known of them, but they are said to have carried those defeated by Dionysus back to the sea.

2. Kerberos

Best known as Cerebus. He's a terrifying looking hell hound whose only purpose was to guard the gates of Hades and to prevent the souls trapped there to escape. His parents are the goddess Echidna and Typhoon.

3. Echidna

An immortal goddess described as having the upper body of a beautiful woman, and the bottom half of a fearsome snake. She's believed to have been the mother of many of Greek mythology's monsters, giving her the nickname "Mother of all Monsters." Although her children are known, her own lineage is unclear.

4. Colchian Dragon

A fearsome dragon described as having three tongues and a long crest going down its back, a monster to be feared. Its parents are Echidna and Typhoon. He was defeated by Jason and the Argonauts on their quest for the Golden Fleece.

5. Scylla

She was once a gorgeous nymph until the sea-god Glaucus placed a curse on her for not loving him as he loved her. Her once beautiful figure now changed. She's described as having four eyes and six enormous necks, each with three rows of sharp teeth, and 12 octopus-like legs, the tail of a cat, and around her waist were the ferocious biting heads of six wolves.