Queen, the actual queen of the cyberworld, is the posh and typically pretty goofy ruler who just wants a bit of world domination for the good of the lightners. Meanwhile for an (in retrospect) actual threat, we have Carol Holiday, the mayor of hometown, who can bring a room's temperature down to 0 with her icy demeaner. You don't need to be British for her, but if you think it adds, then go for it.