Heikki Silvennoinen
![Heikki Silvennoinen plays at [[Kiuruvesi]], 2007](https://upload.wikimedia.org/wikipedia/commons/d/dd/Heikki_Silvennoinen_Kiuruvedell%C3%A4_hein%C3%A4kuussa_2007.jpg)
Silvennoinen owns a production company named ''Pirkka-Hämeen Apina & Gorilla Oy'' ("Ape and gorilla of Pirkka-Häme Inc."). With his fellow comedian Timo Kahilainen he owns ''Porkkana Ryhmä Oy'' ("Carrot Group Inc."), which produces Kummeli's output. Provided by Wikipedia
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Published: [2023]
Superior document: Kasvatussosiologian vuosikirja ; 4