User blog comment:IamJakuhoRaikoben/Sorcerer Magazine, Issue 41: May 2015/@comment-121.54.54.62-20150602031347/@comment-3290324-20150602034939

Actually, the joke is more like this: an innocent fan thinks that because Jiemma, Angel, and Simon are related to their family that they must have the same last name. Which, makes sense. However, if you suggest it, everybody and their mama will get on your case about how it's speculative. Do you get it now?