A thera of Ceylon who had special charge of the Vinaya (Vin.v.3). He may be identical with the Tissadatta mentioned (VibhA.387, 389; MA.i.234) as being able to preach in eighteen different languages, explaining the text of the Tipitaka.
On one occasion, wishing to salute the Bodhi-tree by means of his iddhi-power, he caused it to draw near to him. Vsm.403.