Ophiotaurus

The Ophiotaurus is a beast from the greek mythology. It's a half bull half cow. During the Titanomachy, Ophiotaurus was killed. It was killed because whoever would kill Ophiotaurus and would burn it's entrails, would get the power to destroy Olympus.

Legend
It is said that whoever kills it and burns it's entrails, would get the power to destroy Olympus.

Name meaning
Ophiotaurus means "cow serpent".