Well, most gods could ALL change at will, but I'd have to say Posiden, since his grandson could turn into various animals
I think, though, that you are looking for Proteus, the shape shifting sea god who was the herder of the sea creatures and called the Old Man of the Sea. He was a prophetic god, but would only give answers if properly compelled to do so, which usually meant clinging to him as he shifted through various forms.
Proteus, a sea god in Greek mythology, had the ability to foretell the future and change his shape at will. He was known for his wisdom and prophetic powers, but he also had a reputation for being elusive and difficult to pin down due to his shape-shifting abilities.
Poseidon can change his eye color as well as shape shift.
Proteus is a Greek sea god who could change his shape at will. Triton is a Greek sea god and the messenger of the sea, typically depicted as a merman with a conch shell trumpet. Both are associated with the sea and marine life in Greek mythology.
Proteus was a sea-god who could shape-shift
The goddess Hecate.
No, a hexagon is a six-sided shape.
There is the greek god Poseidon, but not many gods in Greek Mythology can actually change forms.
Hermes
You are likely referring to Poseidon, the Greek god of the sea, who had the ability to change his shape and was known for his power over water and storms. In mythology, Poseidon could take on various forms to interact with mortals and other deities. He is often depicted with a trident and associated with horses, earthquakes, and maritime phenomena.
neptune still team airbourne @ !!!!!!!!!!!!!!!!!!!!!!!!!
Easy . In Greek Panas in ancient Greek pan. Its a sort name to change it :)
Pretty much all of the gods had the ability to shapeshift.