αὐτοτραγικὸς πίθηκος
From LSJ
οὕτως εἴη ἡμίν ὁ Θεός βοηθός καὶ τὸ ἱερὸν Αὐτοῦ Εὐαγγέλιον ὧδε ἐμφανισθέντα-ὁρκισθέντα → so help us God and Ηis holy Gospel the things here declared and sworn
English (LSJ)
αὐτοτραγικὸς πίθηκος = a very ape of tragedy, tragic-ape, monkey of melodrama, drama-queen of an ape, Demosthenes, On the Crown 18.242.