Pertti Olavi "Veltto" Virtanen, born on May 18, 1951, in Hämeenlinna, Finland, is a Finnish rock musician. He performed as a solo artist and in the bands Virtanen (with Moog Konttinen), Välikausitakki, HERU, and Sammas. His discography includes the song "Elektroninen xstaasi" and the albums HAL-00 (1974) and Uusi jääkausi uhkaa (1975) with Virtanen, Välikausitakki (1978) with Välikausitakki, and Sampo-Passio (1990) with Sammas. His solo discography includes the albums Kusessa (1976), Tässä seison (1978), Ronkpukki (1978), and Beibi (1982). Välikausitakki included Mikko Alatalo, Harri Rinne, and Juice Leskinen.
