Fredi was the stage name of Finnish singer, actor and television presenter Matti Kalevi Siitonen, wh began his career in the mid 1960s. His stage name was derived from that of cartoon character Fred Flinstone. He was also a founding member of the comedic variety ensemble Kivikasvo and became one of the best-selling artists in his home country, with more than 20 Top 10 hit singles and achieved diamond status with many studio albums.
Together with his backing band Friends, he returned to represent his home country for the second time in the Eurovision Song Contest 1976 in The Hague with the song "Pump-pump", finishing in 11th place with 44 points, just ten points behind the entry by Red Hurley of Ireland.
He also recorded Finnish cover versions of many well-known songs and released a Christmas song before venturing into television presenting. He died on 23 April 2021 at the age of 78.