Unicornelius is a minor character from the Venture Bros. that appears in the background of various social function in several episodes of the Venture Bros. show. He is the creation of character designer Matthew Jenkins, whom stated that they had to develop characters to put in the backgrounds of celebrations. Unicornelius appears to be a villain and a member of The Guild of Calamitous Intent, as he appears in the background of several Guild events. He was one of the representatives at the five guild summit on missing henchpersons in Every Which Way But Zeus.