Lewis & Short

Crătīnus, i, m., = Κρατῖνος a celebrated Grecian comic poet of the old comedy, a contemporary of Eupolis and Aristophanes, Hor. Ep. 1, 19, 1; id. S. 1, 4, 1; Pers. 1, 123; Quint. 10, 1, 65.