Question: What was written and performed by Viggo Sommer, Carsten Knudsen, and Uffe Rørbæk Madsen that resulted in invented phrases from the series to enter popular culture?
Sentence (from "The Julekalender"): The Julekalender (The Christmas Calendar) was a "julekalender" that ran at Christmas 1991 (a Norwegian version was made in 1994, and a Finnish version appeared in 1997).
Relevant evidence: Yes