Ah, I can see you do not watch enough CBeebies. The image in the OP is, of course, the reception desk of the illustrious (half star) Furchester Hotel. The one you refer to as "Kaiser Wilhelm" is, in fact, Isabell, because she Is A Bell (high quality kids humour there). The disguise kit is well enough disguised that I can't spot it.
Thanks for the chuckle, I was genuinely concerned I'd missed something there!