Here is a question I am confident someone has answered somewhere, possibly in one of the many many non-film series I don't think I'll ever be able to catch up on, but: Why on earth is Luke's last name Skywalker?
Like. I know the Doylist answer. ( Doylist answer is full of spoilers for a 42-year-old movie but I'm cutting anyway )
At some point in the ever-expanding canon, did someone make that make sense?