More specifically, he was one of the ones guarding the Millennium Falcon that Han and the rest managed to ambush. His name was TK-421 and it was his armor Luke used as a disguise. It was genuinely affectionate on Tarkin's part too, he had the dude promoted to station security because it'd be safer. He even swore to TK-421's pet droid that he would destroy the Rebel Alliance and offered it a spot on the command bridge to watch the Death Star blow up Yavin 4.
https://starwars.fandom.com/wiki/TK-421
And if anyone's interested, TK-421 thought Tarkin would be into backwater straight dudes who'd
never
done this kinda thing before, so he "butches" up his voice and adopts a hick accent.
https://i.imgur.com/ScQIucH.jpeg
https://i.imgur.com/Er6TT.gif https://i.imgur.com/Er6TT.gif https://i.imgur.com/Er6TT.gif
So? I deeded to some gay porn. It doesn't mean anything. - Patty_Fleur