What is "tuppurainen"

Tuppurainen is a Finnish surname. Notable people with the surname include:

• Allu Tuppurainen (born 1951), Finnish actor and screenwriter
• Jani Tuppurainen (born 1980), Finnish ice hockey player
• Kalle Tuppurainen (1904–1954), Finnish skier
• Ville Tuppurainen (born 1988), Finnish Nordic combined skier