Originally Answered:
How does Plato call Socrates?
Of course, we don’t have transcripts by Plato of chats with Socrates, we have dialogues he made up. But Socrates is constantly addressed in Plato’s dialogues as “O Socrates” (ὦ Σώκρατες), with monotonous regularity—over 1200 times in the works of Plato. Socrates in turn addresses his trollees (er, interlocutors) as “O partner” or “o good man” (ὦ ἑταῖρε, ὠγαθέ).