Question

What it is the principal deity or deities on Buddhism

Answer 1

In Buddhism, wrathful deities are enlightened beings who take on wrathful forms in order to lead sentient beings to enlightenment. They are a notable feature of the iconography of Mahayana and Vajrayana Buddhism.

Answer 2

First, of a spiritual personality describing his or her essential nature

Second, of an actor describing his or her role in the Vajrayana tradition, and the spiritual environment in which action takes place

Third, of a spiritual guide giving advice to the seeker