Joonas Kokkonen died on October 2, 1996, in Jrvenp, Finland.
Veikko Lavi died on May 22, 1996, in Kotka, Finland.
Jukka Toivola died in 2011.
Ilmari Keinänen died in 1934.
Yrjö Nikkanen died in 1985.
Vaino Jack Vehko died in 1999.
T. I. Itkonen died in 1968.
Jukka Rahja died in 1920.
Jukka Nevalainen's birth name is Jukka Antero Nevalainen.
Jukka Ylipulli was born in 1963.
Jukka Lemmetty was born in 1951.
Jukka Lehtovaara was born on 1988-03-15.
Jukka Toivola was born in 1949.
Hilkka Toivola died in 2002.
Aleksanteri Toivola died in 1987.
Jukka Tapanimäki died in 2000.
Jukka Rahja died in 1920.
Jani Toivola's birth name is Jani Petteri Toivola.
Aleksanteri Toivola was born in 1893.
Jukka Sipilä died on 2004-08-07.
Jukka Ilanko died on November 22, 2007.
Jukka Rusi died on October 1, 2004, in Jyvskyl, Finland.
Ritva Toivola has written: 'Musta Miksu, taikurikissa'
Jukka Kajava died on May 17, 2005, in Berlin, Germany of seizure.