The Rasmus is a Finnish rock band that formed in 1994 in Helsinki while the band members were still in upper comprehensive school. The original band members were Lauri Ylönen (lead singer/songwriter), Eero Heinonen (bass), Pauli Rantasalmi (guitar) and Janne Heiskanen (drums). Heiskanen quit the band in 1998 and was soon replaced by Aki Hakala.