Shakyamuni Buddha

Buddha Shakyamuni Siddhartha Gautama according to Sanatan dharma (Hinduism) believe is 9th avatar of Shree Vishnu.

Buddha Gautama is the founder of the Buddhist Dharma. He lived and taught in India in the sixth-century B.C.E.
Gautama Buddha was preaching Dharma or his teaching after his enlightenment under Bodhi (Pipal) tree in Bodh Gaya.

Mucalinda Nagaraja snake-like being, who protected Gautama from the elements after his enlightenment. it is said that four weeks after Gautama Buddha began meditating under the Bodhi tree, the heavens darkened for 7 days, and a prodigious rain descended.

King of Serpents Mucalinda came from beneath the earth and protected with his hood Buddha from celestial reins. After when the great storm ended Nagaraja took human form and bowed before Buddha and returned in joy to his abode.