"Yes! His name is....what was it...?" Luna pondered a bit. "Ah! His name is Mickey the Mouse," she explained with a smile. "I have his photograph! I will show you inside," she nodded and continued in.
Once they made it to the castle it was, well, a huge castle! Though elfish in design as it originally belonged to some snooty creatures well before Luna had taken over, it was decorated brightly with obvious color suiting to the princess from a pony's land.