τραχὺς ἐντεῦθεν μελάμπυγός τε τοῖς ἐχθροῖς ἅπασιν → he is a tough black-arse towards his enemies, he is a veritable Heracles towards his enemies
Use adj., P. πρόδρομος, ὁ (also Euripides, Iphigenia in Aulis 424, but the passage is doubtful).
messenger: P. and V. ἄγγελος, ὁ or ἡ, V. πομπός, ὁ.