Princess Maribel is a character introduced in Princess Johnny. She looks identical to Johnny, except she is a girl, lacks Johnny's hair highlights, and wears a dress. She is the princess of Muldavia. It was at war with Schmuldavia led by King Fufassel. She goes missing and Johnny is recruited by Black & White to masquerade as her until she is found. She's eventually found in the hotel's arcade, dressed like Johnny. Johnny empathizes with her and after finding her after she ran away, threatened her guardian in order to give her more leisure time.