Ebba Grön was a Swedish punk band formed in Stockholm, Sweden, in 1977. Ebba Grön consisted of Joakim Thåström (lead vocals, guitar), Gunnar Ljungstedt (drums) and Lennart Eriksson (bass guitar, backing vocals). Thåström, Ljungstedt and Eriksson were also known as Pimme, Gurra and Fjodor. After the release of their second album in 1981, they were joined by a fourth member, Anders Sjöholm, also known as Stry Terrarie, on keyboard. The group disbanded in 1983.
https://en.wikipedia.org/wiki/Ebba_Gr%C3%B6n