Sometimes you can tell if a group colonised a planet or is native to it by analysing if the planet is named after them: If the planet has their name, they’re likelier to be colonisers. Some examples: Humans from Coruscant are native, Ghormans from Ghorman aren’t (small thread)
Mark Hamill came up with a much darker head canon backstory for Luke becoming a “hermit” in THE LAST JEDI
“I thought, what could make someone give up a devotion to what is basically a religious entity, to give up being a Jedi. Well, the love of a woman. So he falls in love with
This is specifically noticeable with humans.
The natives of Naboo are called Gungans while the settlers are called Naboo.
The natives of Alderaan are Killiks while the settlers are called Alderaanians
The natives of Mandalore are Alamites, while the settlers are Mandalorians
Anyone who argues The Thrawn Trilogy should’ve been the Sequel Trilogy either hasn’t read those books or doesn’t understand how a third Trilogy should work.
Though you can also see it in other species:
The Hutts originate from the planet Varl but colonised Nal Hutta and named it that
The Dathomirians originally came from Peridia, but named Dathomir after themselves
Bothans claim to come from Bothawui but they lie a lot, so who knows