Shiva – is the Hindu god, the “destroyer of evil and the transformer” within the Trimurti, the Hindu trinity that includes Brahma and Vishnu. In Shaivism tradition, Shiva is the Supreme being who creates, protects and transforms the universe.
In the picture – Statue of Shiva at Murudeshwar (https://en.wikipedia.org)
The iconographical attributes of Shiva are the serpent around his neck, the adorning crescent moon, the holy river Ganga flowing from his matted hair, the third eye on his forehead, the trishula as his weapon and the damaru.
Source of information – https://en.wikipedia.org