Question

After rescuing Alope from Cercyon, this god fathered an Eleusinian king. A son of this god and Gaia was killed in a bear hug by Heracles due to being invincible while touching (15[1])the ground. This god caused the birth (15[1])of Arion by seducing (15[1])Demeter in the form of a (15[1])stallion. (15[1]-5[1])Thoosa was the mother of this god’s (15[1])son (*) Polyphemus. This god cursed Pasiphae (10[1])to mate with the Cretan Bull and give birth to the Minotaur. This father of the Cyclopes fathered (10[1])Pegasus (10[1])with Medusa and Triton (10[1])with his wife Amphitrite. For 10 points, name this brother of Zeus and Hades, the Greek god of the sea. ■END■

ANSWER: Poseidon [do NOT accept or prompt on “Neptune”]
<Mythology - Mythology>
= Average correct buzz position