OBlock chicago gang history and members OBlock is a nickname adopted by the "(300)" set of the Black Disciples gang, located in 64th King Drive blvd That name was born out of honor for one of their fallen members named "Odee Perry", whom was killed in 11 by a hail of gunfire Various Black Disciples rappers have mentioned O'Block in their rap songs such as Chief Keef whom saidCashout 063 hails from the 63rd and St Lawrence Cashout 063 had a wellknown beef with Chief Keef, a rivial gang member and the face of Chicago drill rap Cashout 063 released a controversial video while speaking to Chief Keef's mother on a cell phone, admitting that had indeed had sexual relations with FBG Cash Young Mello Artist Young Mello is the younger brother of FBG CashO'Block stands for Odee Block, Odee is a deceased WiiiC City member who got killed by a rivaling gang Parkway Garden Homes, small project buildings surrounded by gates Members Odee (deceased) King Von T Roy (Decea