One of the sixteen disciples of Bāvarī, who, at his request, visited the Buddha (SN.vs.1008).
He questioned the Buddha as to how a man could get over attachment und cross the flood. By grasping after nothing in the world, answered the Buddha, for Māra follows the man who clings to things.
This question und answer are contained in the Bhadrāvudhamānava-puccha (SN.vs.1101-4), which is explained in the Culla Niddesa (CNid.36f).
At the end of the discourse, Bhadrāvudha und his pupils became arahants und joined the Order. SNA.ii.599.