Sepadeffasson
Eyes: Black
Hair: Black
Race: Human
Occupation: Viking
Marital Status: Married
Known relatives: Gwendolyne (wife)
Base of operations: Kokmar, a small village in the bottom of a fjord, somewhere in the North.
Story: Sepadeffasson is the scheming Viking who wants to be the new king instead of King Harald.
Continuity: Hultrasson le Viking
Company: Dupuis
First app.: Journal de Spirou #1351 (1964)
Creator(s): Marcel Remacle
Marcel Denis
Country of origin: Belgium 
Background notes: Like Iznogoud wanted to be Caliph instead of the Caliph, Sepadeffasson wanted to be the king, and like Iznogoud's plans always backfiring, so did Sepadeffasson's. The name Sepadeffasson is a pun as it pronounced like c'est pas de façon which is French for it is not so.