Wikluh Sky is the most productive member of the Serbian rap group Bad Copy, constantly working on multiple projects, many of them outside of hip-hop, but seldom releasing them. Among his works are one reggae album with the group Shappa (with Coyote of the band Eyesburn); a punk album with the band Jogurt; a rock opera called "Zagađenje u Japanu" (en: pollution in Japan) about a transvestite turbo-folk star, written for the EXIT festival in 2005; a rap album called "Zašto brate Vikler?", etc.