Digha Nikaya 1:1267
SUJATOseyyathidaṁ—pūraṇo kassapo, makkhali gosālo, ajito kesakambalo, pakudho kaccāyano, sañcayo belaṭṭhaputto, nigaṇṭho nāṭaputto,
Namely: Pūraṇa Kassapa, the bamboo-staffed ascetic Gosāla, Ajita of the hair blanket, Pakudha Kaccāyana, Sañjaya Belaṭṭhiputta, and the Jain ascetic of the Ñātika clan.