Buddhist Dictionary of Pali Proper Names by G P Malalasekera
Ekachattiya Thera
Ekachattiya Thera:An arahant.In the time of Atthadassī he was an ascetic with a large following,living on the banks of the Candabhāgā.He visited the Buddha with his followers and held a white parasol over the Buddha’s head.
Seventy-seven kappas ago he lived in the deva-world as king of the devas.He was king of men one thousand times (Ap.ii.367ff).