Any speculation on what will happen? You know, aside from Freeman pointing out that it's a walking testicle?The Gonarch was apparently born very simply, when someone at Valve asked, according to Gabe Newell, "Why don't we put a giant testicle on a 20-foot-tall armored spider?". Therefore the name may be a portmanteau of the words "gonad" and "monarch". A "gonad" is another name for the reproductive organ of mammals, the male gonad being the testicles. The "monarch" part would refer to the "boss" status of the creature within the game