Perhaps you're referring to the Lead Detective.
The wrestler Homicide's real name is Nelson Erazo.
homicide
There isn't a special name for this situation; most just call it a homicide/suicide.
HOMICIDE
Her name is "The Boss" (Also known as "The Joy")
His real name is Nelson Rodriguez Erazo
Fred Fiigglehorns boss??
Boss in Russian is nachalnik or shef. but usually Russians use the name + father's name to refer to a boss.
Mike Boss's birth name is Daniel Maurer.
Anselm Boss's birth name is Anselm Bossacoma.
Team Galactic's Boss' name is Cyrus.
Rodney "Boss" Bailey.