Rigby was a human male who served as a commander in the Imperial Guard

Imperial Guard (Sith Empire) Organization Reconstituted Sith Empire

during the Galactic War between the Galactic Republic and the Sith Empire. In 3640 BBY, during the battle of Corellia

Battle of Corellia Event Galactic War (3642BBY - 3636BBY)

, Rigby led a unit in capturing the Daoba Hotel in Coronet City and held dozens of civilians inside hostage for several days while they installed heavy artillery atop the building. However, his plan failed when he and his unit were killed

Concierge (Battle of Corellia) Event Galactic War (3642BBY - 3636BBY)

by a team of Republic operatives

Republic Operatives Organization Temporary Unions

and the hostages were freed.
Rigby's weapon of choice was an electoblade sword
Electroblade H1.a1.1.