User blog comment:Pyo-kiyo/Hello! Project MobekisuJ???/@comment-24833026-20140730040234/@comment-131168-20140730120453

It came from him on Twitter, after someone asked what it would do to Mobekimasu's name. He quickly added they weren't going to use that, though. So it's kind of stuck as a name people have latched onto for lack of anything else replacing it.