Spirou is a weekly Belgian comics magazine published by the Dupuis company since April 21, 1938. It is an anthology magazine with new features appearing regularly, containing a mix of short humor strips and serialized features, of which the most popular series would be collected as albums by Dupuis afterwards.

Lucky Luke is a Western bande dessinée series created by Belgian cartoonist Morris in 1946. Morris wrote and drew the series single-handedly until 1955, after which he started collaborating with French writer René Goscinny. Their partnership lasted until Goscinny's death in 1977. Afterwards, Morris used several other writers until his own death in 2001. Since Morris's death, French artist Achdé has drawn the series, scripted by several successive writers.