Lord Chaitanya, Lord Nityananda Avadhuta, and Lord Advaita, are all incarnations of the supremly exalted Personality of Godhead, and They are all known by the title Prabhu (Master). Among Them, Lord Chaitanya, Who is an ocean of mercy, is known as Mahaprabhu (The Great Master), and the great personalities Lord Nityananda and Lord Advaita are known only as Prabhu (Master). All three are also known as Goswami (Master of the Senses). Gadaadhara is called by the title Dvija (Brahmana, and Srinivaasa is called by the title Pandita (Learned Scholar). These are the titles of the members of the Pancha-tattwa.