Padhānika Tissa Thera
He went with five hundred others to meditate in the forest, and, having instructed his fellows to apply themselves diligently to meditation, he himself spent the night in sleep. When the others discovered his deceit, they complained to the teacher, who related the Akālarāvi Kukkuṭa Jātaka (q.v.), identifying Tissa with the cock of that story. DhA.iii.142 ff.