CC Madhya 1.112
rāma-japī vipra-mukhe kṛṣṇa-nāma pracāra
After this, Kṛṣṇadāsa, the servant of Lord Caitanya Mahāprabhu, was delivered from the clutches of a Bhaṭṭathāri. Caitanya Mahāprabhu then preached that Lord Kṛṣṇa’s name should also be chanted by brāhmaṇas who were accustomed to chanting Lord Rāma’s name.
In the Malabar district, a section of the brāhmaṇas are known as Nambudari brāhmaṇas, and the Bhaṭṭathāris are their priests. Bhaṭṭathāris know many tantric black arts, such as the art of killing a person, of bringing him under submission, and of destroying or devastating him. They are very expert in these black arts, and one such Bhaṭṭathāri bewildered the personal servant of Śrī Caitanya Mahāprabhu while the servant accompanied the Lord in His travels through South India. Somehow or other Śrī Caitanya Mahāprabhu delivered this Kṛṣṇadāsa from the clutches of the Bhaṭṭathāri. Śrī Caitanya Mahāprabhu is well known as Patita-pāvana, the savior of all fallen souls, and He proved this in His behavior toward His personal servant, Kṛṣṇadāsa, whom He saved. Sometimes the word Bhaṭṭathāri is misspelled in Bengal as Bhaṭṭamāri.