The Leningrad Cowboys, a Finnish rock band known for their unique style and association with director Aki Kaurismäki's films, have a few related bands and groups in their history:
Sleepy Sleepers: Originally, the Leningrad Cowboys were created as a label for this Finnish band to release English songs and perform concert extravaganzas. Last.fm
Stalingrad Cowgirls: This is an all-female Finnish rock band that pays tribute to the Leningrad Cowboys. The band consists of lead vocalist and guitarist Enni Kivelä, bassist Henna Vaarala, and drummer Riina Kivelä. Wikipedia
MEGASNAKE: Featuring members of the Leningrad Cowboys, this Finnish rock band has a rich history of former bands and projects. Brave Words
These bands share a connection with the Leningrad Cowboys, either through origin, style, or membership.