τραχὺς ἐντεῦθεν μελάμπυγός τε τοῖς ἐχθροῖς ἅπασιν → he is a tough black-arse towards his enemies, he is a veritable Heracles towards his enemies
ἀμυχιαῖος, ἐπιπόλαιος, ὑπέλαφρος, φλοιώδης