Teemu Valtteri (Somnium) Raimoranta[1] (19 May 1977 – 16 March 2003) was a Finnish metal musician.
He was the founding guitarist of Finnish folk metal band Finntroll along with vocalist Jan "Katla" Jämsen.
He also played in Thy Serpent, Barathrum, and Impaled Nazarene.
[2] Raimoranta died on 16 March 2003 after falling from the Kaisaniemi bridge in Helsinki while intoxicated.
[3] His death occurred shortly after his involvement in Finntroll's completion of Visor Om Slutet, which was dedicated to his memory.