[Ugh, now he actually has to actively decide on a form of address. On the one hand, he shouldn't defy a royal's preferences, and Mickey explicitly said he doesn't want people to find out he's a King...
...but on the other Mickey named the broom Sebby Jr.]
From His Highness-- [Oh no. He slipped.] Mm, that is to say, from Mr Mouse. I'm most humbled by his generosity.
And I cannot deny that even when it has been more than a day since I received it, it seems somewhat strange to me too, still.