Pulastya is the fourth of the six Prajāpatīs, (Prajāpatis are the lords of the created being first created by Brahmā.) a mind-born son of Brahmā and celebrated in the world.
प्रजापतीनां षण्णां तु चतुर्थोऽयं प्रजापतिः। मानसो ब्रह्मणः पुत्रः पुलस्त्य इति विश्रुतः॥