I really hope the developers weren’t thinking about this pun while developing the plot…
Technically you don’t find out that the demon king at the beginning and ganondorf are one in the same until some time later… but it’s not really a surprise if you’ve played any other games in the series.
Yeah fair, but as you said if you know anything about Zelda at all it’s pretty obvious who the demon king looks like and is supposed to be as soon as you see him.