 He appears later in "The Suite Life on Deck" in the episode "Mom and Dad On Deck" as well as in the series finale "Graduation on Deck".Ilsa Shickelgrubermeiger (played by Caroline Rhea) – Ilsa is the mean-spirited German hotel inspector-turned-manager of the rival hotel, the St. Mark Hotel, across the street.She is rude, has a large mole (or "beauty mark") on her face (which is oblivious to her, as she usually replies "Vat mole?