The "Changeling" Mark 71NB first appeared in part one of the two-part episode "The Recruit," the first episode of the first season of the animated television series Star Wars Resistance, which aired on October 7, 2018. The model was identified in the 2019 reference book Ultimate Star Wars, New Edition.
The model was named by Adam Bray in reference to Mark Newbold, with "71" referencing his birth year and "NB" referencing "Newbold."
- Ultimate Star Wars, New Edition