The clone of Emperor Kahless was exposed because he could not detect the difference between real and replicated warnog. (TNG: "Rightful Heir" ) General Martok often enjoyed warnog aboard the IKS Rotarran to keep him warm. (DS9: "Sons and Daughters") Tin Man Brewery from Evansville, Indiana partnered with CBS Consumer Products to produce "Klingon Warnog" beer for purchase in the United States and Canada in 2014. This version of Warnog is of the German dunkelweizen style. [1] [2]