ἡ κέρκος τῇ ἀλώπεκι μαρτυρεῖ → you can tell a fox by its tail, small traits give the clue to the character of a person
son of Phylacus, father of Podarces and Protesilāüs, Il. 2.705, Il. 13.698, Il. 23.636, Od. 11.289 ff.