Known as

प्रायःस महादेव इति प्रज्ञातोऽस्ति किन्तु योगस्य ऐतिह्ये सोsपि प्रज्ञातोऽस्ति आदियोगीति योग्यवदत्  ||

The yogi said,"usually he is known as The Great God, however in the tradition of yoga he is known as the first yogi."