Kärtsy Hatakka

Waltari is a Finnish experimental metal band from Helsinki known for combining numerous styles, from different metal subgenres such as progressive metal, alternative metal and extreme metal to non-metal styles such as hip hop, pop, industrial, techno, punk and hard rock.

Most of the band's music is written by Kärtsy Hatakka. Finnish metal musicians who started their international career in Waltari include Kreator's Sami Yli-Sirniö, Roope Latvala of Children of Bodom, and Janne Parviainen of Ensiferum.