Perttu Päivö Kullervo Kivilaakso (born 11 May 1978) is a cello player for Finnish band Apocalyptica.

[1] Like fellow band members Eicca Toppinen and Paavo Lötjönen, he attended Sibelius Academy in Helsinki.

[5] Kivilaakso played in Apocalyptica's 1995 line up, but he was concentrating on his studies when the band began their professional career.

[6] Shortly afterward, he attained a lifetime chair in the Helsinki Philharmonic orchestra,[5] where his father, Juhani,[7] is also a cellist.

The opera, entitled Indigo, tells "a story of an omnipotent, multinational company and a search for happiness.