Hawser, a pirate who sailed with the Blazing Claw, was a crew member of the Bloody Bones, and served under the command of Gunda Mabin, the pirate queen. He took part in an attack on a Ghtroc star yacht along the Atrian Merchants' Causeway.
The first time Hawser's name appeared was in the reference book Star Wars: Smuggler's Guide, which was published in 2018.