Not quite! lol, but I get where you're coming from!
It wasn't like Spike was summoned to the royal household more like Charles was a fan of the Goons from childhood but yes...I suppose Spike was like a court jester! Lol.
Thatīs funny... modern royals still make use of jokers in their courts then, like in medieval times, when the joker would be the only one brave enough to tell the king the plain truth inside a joke...