Heikki Johannes Silvennoinen is a Finnish musician and an actor. He was a guitarist and a songwriter in several notable Finnish bands in 1970s and 1980s. He has also recorded solo albums. However, Silvennoinen is known better as a member of comedy group Kummeli which started a television show in 1991.
Heikki Silvennoinen owns a production company Pirkka-Hämeen Apina & Gorilla Oy. With his fellow comedian Timo Kahilainen he owns Porkkana Ryhmä Oy that produces Kummeli output.
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