jimi constantine (born konstantinos jorma hiekkanen, 31 december 1981) is a finnish musician and actor. he was previously the vocalist and guitarist of the band technicolour. he has also played with the bands tyrävyö, cliché, and kalle päätalo. his previous artist name was jimi pääkallo. constantine is also an actor, having appeared in the films "a long hot summer" (1999), "pearls and pigs" (2003), and "8 days to premiere" (2008), as well as the tv series "kallio" (2010) and "salatut elämät" (secret lives) (2000/2011).