Pedro Picapiedra
Matti Kalevi Siitonen (23 July 1942 – 23 April 2021), known professionally as Fredi, was a Finnish comedic actor, musician, singer/songwriter and television presenter. Domestically he was best known as a founding member of the comedic variety ensemble Kivikasvot. Siitonen chose his stage name, Fredi, after the cartoon character, Fred Flintstone.