A devarája, the god of rain. He was subject to the will of Sakka, and the books contain instances of his causing rain to fall at the command of Sakka (J.i.330; Mhv.xxi.31; J.iv.253).
He was also influenced by the exercise of saccakiriyá (protestation of truth) E.g., J.i.331f. Buddhaghosa (SA.i.64) describes him as Vassavaláhaka, and says that he was an inhabitant of the Cátummahárájika-world. Kokanadá and Culla Kokanadá were his daughters (S.i.29f).
Pajjunna is mentioned among the Maháyakkhas to be invoked in time of need (D.iii.205), and he was present at the preaching of the Mahásamaya Sutta. Ibid., ii.260.