Lacu is a dummer from a sovereign state in Norther Europe whose population in 2016 was 5.5 million, an increase of 12% since the previous year.
Lacu (born in 1969 in Tampere as Kari Lahtinen), is a Finnish drummer best known for playing in the Finnish rock band Hanoi Rocks from their reformation in 2002 until his departure in 2008. 
Finland ( ; Finnish: "Suomi" ] ; Swedish: "Finland" ] ), officially the Republic of Finland, is a sovereign state in Northern Europe. 
 Finland's population is 5.5 million (2016), and the majority of the population is concentrated in the southern region. 
