Squib was a male human who belonged to the Nihil during the time of the High Republic Era. He was with Yeet when they were escorting captured children aboard the Poisoned Barb, and together with Yeet, he apprehended Avon Starros and her companions for their strike.
The junior novel The High Republic: Mission to Disaster, which was released in 2021 and authored by Justina Ireland with illustrations by Petur Antonsson, marked Squib's initial appearance.