A child psychology professor who reluctantly but good-naturedly takes charge of his sister's five children. His academic theories repeatedly clash with reality as the kids cleverly manipulate him into household chores and matchmaking, though he gradually adapts and forms a playful, protective bond with them.
Erik is the brother of the children's father, stepping in as guardian after the injury.
Erik serves as the primary uncle and caretaker for Amalie throughout the holiday.
Erik acts as the guardian and authority figure for Jan during the trip.
Erik relies on Michael's problem-solving skills while supervising him.
Fru Flinth acts as a comedic obstacle, clashing with Erik over accommodation and behavior.
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