Aparajit, an epithet

Aparajit means one who is not defeated. That is why the word became an epithet in the Indian mythology for Vishnu and Shiv.

Aparajit, the Rudra

One Aparajit, in the Indian mythology, is a Rudra.

Aparajit, the serpent

One Aparajit, according to Indian mythology, was a serpent.

He was a son of Kashyap by his wife Kadru.

Aparajit, the son of Dhritrashtra

One Aparajit, according to the Mahabharat, was son of Dhritrashtra by his wife Gandhari.

He was killed by Bhim in the Mahabharat War.