Adiyogi refers to shiv-Shankar as the first yogi ever.

He is the one who defines, introduces, and practices yoga.

Shiva is the source of Yoga.

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More about Maheshwara (Shiva)

Shiva is the Supreme Lord who creates, protects, and transforms the universe.

Shiva is the third god in the Hindu triumvirate.

Trimurti in Sanskrit (Hinduism) is the triad of the three gods Brahma, Vishnu, Maheshwara

The Trimurti consists of three gods responsible for the world's creation and devastation. The other two gods are Brahma and Vishnu.

Brahma is the creator of the universe, while Vishnu is the preserver of it.