Kathy Foster (musician)

Kathy Foster
Kathy Foster (right)
Background information
Also known as	Butterfly Transformation Service
Origin	Portland, Oregon, U.S.
Genres	Indie rock, punk rock, alternative rock
Instruments	Bass, drumstop, backing vocals, guitar, keyboard
Associated acts	The Thermals, All Girl Summer Fun Band, Pistil, Haelah, Urban Legends, Hutch & Kathy

Kathleen "Kathy" Foster is an American musician best known as the bassist for the punk band The Thermals and drummer for the All Girl Summer Fun Band.

Foster was raised in Sunnyvale, California and moved to Portland, Oregon in 1998. With Thermals bandmate Hutch Harris, she was in Haelah, Hutch and Kathy, and Urban Legends. She also performs under the name Butterfly Transformation Service. She is the owner of the T-shirt company Daydream Factory.