Samuli Tapani Putro (born in Helsinki on 21 August 1970) is a Finnish musician, vocalist and songwriter.

Even while the band was very active, he pursued some personal projects including a solo EP released on 7 September 2004 titled Täysikasvuinen containing music from film soundtracks.

Samuli Putro was nominated for a Jussi Award for "Best Music" for his work in Menolippu Mombasaan (One-way ticket to Mombasa) in 2003.

Kari Michael Nylander (born in Suomussalmi in 1971) is a Finnish musician, and the bass player in Zen Café bassist.

Prior to becoming a member of the band, he had been in Kebas during the 1980s, in Toni Rossi's Sinitaivas-orchestra and in Inkvisitio whose debut album Paratiisi was released in 1989.