Gryllus (noun M) = Γρύλλος:
* A Greek proper name.
* A son of Xenophon, who fell in the battle at Mantinea, and was celebrated by Aristotle in a monogram entitledΓρύλλος, Quint. 2, 17, 14.
* A Roman proper name, Mart. 1, 60, 3; 2, 14, 13.

Male Personal name
Confirmed occurences in the Roman Empire:

• Gryllus (Masc), ref: PIR G 0229 | PIR ID6755