Buddhist Dictionary of Pali Proper Names by G P Malalasekera
Tudu
Tudu:A Thera.He was the teacher of Culla Kokālika and,having become an Anāgāmī,was born as a Pacceka Brahma in the Brahma-world.
When Kokālika was grievously ill,Tudu visited him and exhorted him to put his trust in Sāriputta and Moggallāna.But Kokālika refused to accept his advice and drove him away.