Entering a person who's name changed

Question

I'm looking at a great-uncle by marriage. He was an immigrant from Romania and he appears to have changed his name after he immigrated.  Here is his immigration form... https://www.familysearch.org/ark:/61903/3:1:33S7-9PQQ-353G

It lists the name as "Kaniuk (Kand), Kuba (Charles)".  So Kuba Kaniuk was his name at birth, but every record after that lists him as Charles Kand.  I assume that I use his name at birth for his profile, but how should I make it clear that he actually used an entirely different name?

Comments

If he was later known as Charles Kand, then Charles becomes his preferred name, and Kand his Current Last Name.

Then explain it in the biography.

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Thank you.  That's sounds easy enough.

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It can look kinda "funky", but so can a woman who was married more than once.

My great-grandfather might serve as an example (maybe), as he changed his names somewhere along his life's pathway -- https://www.wikitree.com/wiki/Waldemarsson-2

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I have that situation for lots of my relatives, who were immigrants.  It is very common for immigrants to change their names to something seeming more like it fits with the language of their new country.