Gen Tri was a smuggler belonging to the Spice Runners of Kijimi gang, identifying as non-binary and being a Pau'an. After their pilot, Beke Mon'z, died, they, along with several other Spice Runners, became marooned on the moon Yavin 4.
The canon young-adult novel Poe Dameron: Free Fall, released on August 4, 2020 by Disney–Lucasfilm Press and written by Alex Segura, marked the initial appearance of Gen Tri. Subsequently, the Pau'an was featured in the one-shot comic book Return of the Jedi – The Rebellion 1, published by Marvel Comics on July 19, 2023, with writing by Segura and illustrations by Matt Horak, Brent Peeples, and Rafael Pimentel.