Twirm, an Adarian of male gender, held the position of submister for Latts Razzi, a crime lord, during her reign over the Razzi Syndicate. After he dared to give Razzi guidance on her demeanor within the criminal world, she had him killed by being devoured by the undercrab.
The character of Twirm initially appeared in Star Wars: Smuggler's Guide, a reference book from 2018 authored by Daniel Wallace.