Delta-30
From Wikipedia of the Dark Brotherhood, an online Star Wars Club

Delta-30, or D-30, was a captain in the Dlarit Special Operations Group. D-30 was one of thirty four Delta-class Advanced Commandos grown in secret on Gamuslag in 27 ABY. D-30 was given the name Krenth after his designation. When the DACs first entered service in 28 ABY, Krenth was assigned as adjutant to Commander Zorrixor, the Amphor prefect.
Biography
Full biography to come.
Behind the Scenes
The name Krenth comes from the 30th letter in the Aurabesh alphabet after Delta-30's numerical designation.