Neither. He was a Greek god.
no he is a god
Demigod of the sea. He is the son of Poseidon. His upper body was human and his lower half was sea creature-like
Creature* A god.
In the novel, Poseidon, he had sea green eyes. But since he was a mythical creature, there is no proof of any color.
Cetus, sent by Poseidon.
Horses to pull Athena's chariot
No, Poseidon was always a god.
Human-headed lamb.
Sea Creature - Dolphin Animal - Horse Weapon - Trident
A human is the creature that has the ability to electrocute a horse.
a pooing creature that poos when its scared and atacking another creature or a human.
There is no fantasy creature that is half horse half human and NOT called a centaur.