Joop Mixingmousse, originally Joop Mengelmoes, was a fictional character from Samson and Gert. He was portrayed by Stef Bos.


Joop was a character in the series from 1990 until 1992. He was the neighbour of Samson and Gert.


  • He tried fixing the broken bell.
  • Samson ponounced his name as Mr. Chocolatemousse.
  • He had a turtle named Marlène.
  • He appeared in three music videos.
  • He did not appear in the comics.