Cause of death: heart attack
Pierre Culliford (French: [kylifɔʁd]; 25 June 1928 – 24 December 1992) was a Belgian comics writer and artist who worked under the pseudonym Peyo ([pejo]). His best-known works are the comic book series The Smurfs and Johan and Peewit, the latter in which the Smurfs made their first appearance.
Source : Wikipedia
