Kimmo Sakari Blom was a Finnish singer and stage artist, known for his work in several rock and metal bands such as Urban Tale, Boys of the Band, and Heartplay. From 2004, he performed in the Finnish Christmas metal project Raskasta Joulua and from 2018, he was the lead vocalist of melodic metal band Leverage. He has also provided backing vocals for metal bands such as Stratovarius, Thunderstone, Kiuas, Ari Koivunen, Timo Tolkki's Avalon, and Twilight Guardians. Between 2018 and 2020 he also participated in the swedish band Sapphire Eyes.