Petrilo

Vojvoda Petrilo was an 11th-century Serbian voivode of the Serbian King Constantine Bodin.
Bodin was crowned as Emperor of Bulgaria in 1072 and was set to conquer the Byzantine territories of Bulgarian interest together with Georgi Voyteh.
Petrilo led a 300-strong army towards the south, into Macedonia, and took Ohrid where the townspeople greeted him as their liberator and Devol which surrendered. He was stopped by Byzantine troops and locals at Kastoria led by a Byzantine general that defeated him, making Petrilo return to Duklja.