Düz Mantık is a three-piece Izmir Fuck'ny Punk Rock band from Izmir. Ozan İşleticiler (guitar - vocal), Batu Divrik (bass guitar - back vocal) and Bilge Sağlam (drums - no vocal). These three young boys spend their adolescences trying to make some music. As a result they released their first E.P. "But your father is rich" via Internet on 2005. The extended play gain some success. Later on they continued working on their 2nd E.P. On 2007, they released the second E.