Cheri aka Cheri Martin aka Simo Martin (born January 4, 1966) is Finnish bassist and founding member of Smack. Cheri played with Smack from 1982 to 1986 and was featured on the band’s first two albums, Smack On You and Rattlesnake Bite. Cheri was a founding member of Smilers from 1990 to 1996. Smilers released their self titled album in 1993. 2009–2011 Cheri played in the Helsinki-based band Caroline. Cheri was a bassist of Jessica Wolff in 2011–2017.