Principal characters from the Belgian comic book series created by Willy Vandersteen. They first appeared in newspaper De Nieuwe Standaard in December 1945.

In foreign territories they're known under different names such as Spike and Suzy (British), Willy and Wanda (American), Bob et Bobette (French), Finn & Fiffi (Norwegian), Bob y Bobette (Swedish) or Lucek i Luśka (Polish).