“I am ambidextrous so I don’t miss when I punch”
ἀμφιδέξιος γάρ εἰμι κοὐκ ἁμαρτάνω κόπτων.
Hipponax–invective poet from Ephesus.
Erotian? That one stumped me too: a grammarian who penned a Hippocratic Lexicon. Popular guy (absent from wikipedia, hit up the OCD).