Dafne Keen’s character is called out as a Theelin-human hybrid. This kind of alien dates to the ROTJ Special Edition, and crossbreeds having something of an identity crisis has been a running theme in the fiction, including for one of the five lead characters of the Alphabet Squadron novels

Supposedly full-blooded Theelin have hooves, but in a possible running gag, I don’t think we’ve MET one yet. If you clock a hybrid, bringing up whether they “identify” as Theelin is potentially a very thorny conversation and best avoided.