by Lord Brahmā — SB 5.20.39plugin-autotooltip__small plugin-autotooltip_bigŚrīmad Bhāgavatam 5.20.39

On the top of Lokāloka Mountain are the four gaja-patis, the best of elephants, which were established in the four directions by Lord Brahmā, the supreme spiritual master of the entire universe. The names of those elephants are Ṛṣabha, Puṣkaracūḍa, Vāmana and Aparājita. They are responsible for maintaining the planetary systems of the universe.

directly born of the Lord — SB 3.9.43plugin-autotooltip__small plugin-autotooltip_bigŚrīmad Bhāgavatam 3.9.43

By following My instructions you can now generate the living entities as before, by dint of your complete Vedic wisdom and the body you have directly received from Me, the supreme cause of everything.

by one who is the source of all Vedic knowledge — SB 3.4.32plugin-autotooltip__small plugin-autotooltip_bigŚrīmad Bhāgavatam 3.4.32

Śukadeva Gosvāmī informed the King that Uddhava, being thus instructed by the Supreme Personality of Godhead, who is the source of all Vedic knowledge and the spiritual master of the three worlds, reached the pilgrimage site of Badarikāśrama and engaged himself there in trance to satisfy the Lord.