The origin of this Starbolt is unknown except that he was recruited into the Imperial Guard as a member when the first Starbolt was killed during the events of the Realm of Kings.
Starbolt was created by Dan Abnett, Andy Lanning and Kevin Walken and first appeared in Realm of Kings: Imperial Guard issue 5 (2009).
Major Story Ars
A Legacy to Fullfill
The new Starbolt had almost the same powers as the original Startbolt. This Starbolt however has a different appearance, with a skull-like face. More recently, Starbolt was part of the group of Imperial Guards that brought down Thanos.