Ah yeah, Grant Holloway! He'd very much deserve the gold based on performances of course, but also he always comes across super friendly and 'sportsmanlike', plus he isn't one of those big stars who feels the need to avoid almost any competition, so we often get to see him in action.
I'd find a medal for Letsile Tebogo really cool as well, especially so short after he lost his mother. Less unique, but still nice would be Steven Gardiner, because his running style is just....well, absolute perfection.