He became renowned because of his extensive epic poem: Braveries of the noble and valiant voevode Michael (Greek: Ανδραγαθίες του ευσεβεστάτου και ανδρειωτάτου Μιχαήλ Βοεβόδα).[2] The poem was written around 1602 in a medieval Greek dialect; at the time Vistiaris was working at the court of the ruler of Wallachia, Michael the Brave.
The work describes the personality and life of the Wallachian ruler.
1 Includes localities with a substantial ethnic Greek population, or otherwise with any kind of cultural or other type of significance, historical or current, for the Greek minority in Albania. 2 Includes individuals not necessarily of Greek ethnicity but with important contributions to Greek civilization.