Trident, 3 spikes, Poseidon

[Brother of Zeus, or Zeus himself.  Could be Triad sign.]

See: Isis, Horus, Seth Triad

Shiva 

Kali

Adad, Enlil, Baal, Neptune, Poseidon and other 'gods' of storm and sea were depicted as carrying tridents. It was symbolic of lightning. Wavy lines represent the female and were associated with the serpent; the straight line is male, representing the phallus; thus, this symbol represents male and female union.  http://www.mindserpent.com/American_History/religion/pope/rc_images.html

Triad sign

Arrows Neptune's fountain in Prešov, Slovakia.

Tridents, as weapons found among the Hindu gods, contain the fleur-de-lis, a fertility symbol throughout the east and associated with the sacred shin - w - in secret societies. http://www.mindserpent.com/American_History/religion/pope/rc_images.html

The trident, projecting from the head of Jesus on a Roman Catholic Madonna and child image. The same symbol is found on clothing and regalia, architecture, and art. http://www.mindserpent.com/American_History/religion/pope/rc_images.html

Bizzy Bone

Alkaline Trio

Judas Priest

Q-Dance

Therion

Jarre