Bolgbarz (Or./B.S. "cruel night") was an Orc-captain from Gundabad.
He was the personal bodyguard of Azog the Lesser, but after the army of Guldur Orcs was defeated by the Elves of Lothlórien and Mirkwood, Bolgbarz escaped the Elven forests and later eventually joined the army of Dol Guldur.