Grullbug, a pirate belonging to the male gender, was a member of the Blazing Claw. He was a subordinate of Gunda Mabin, the pirate queen, functioning as a member of the Bloody Bones crew. During a raid targeting a Ghtroc star yacht situated on the Atrian Merchants' Causeway, Grullbug was responsible for the deaths of numerous foes.
The character of Grullbug initially appeared in the reference book Star Wars: Smuggler's Guide, published in 2018.