Allan Rauli Kristian "Allu" Tuppurainen (born 1 April 1951) is a Finnish actor and screenwriter residing in Vaasa.
He began acting in Finnish film in the early 1970s and has made a number of appearances in Finnish film ever since, appearing in many films such as the 1983 James Bond spoof Agentti 000 ja kuoleman kurvit where he acted alongside actors such as Ilmari Saarelainen and Tenho Saurén.
Tuppurainen is best known for his role as the troll Rölli in the similarly named children's TV show and films.
[1] As well as starring as the main character, Tuppurainen has written and directed the show, and composed music for it.
In 2007 he scriptwrote and voice-acted in Röllin Sydän (Quest for a Heart).