User blog comment:Xilinoc/Ch. 570 (I can't think of a witty title at 11 pm)/@comment-2211792-20140226155303/@comment-8669536-20140228165501

The Sternritter who attacked the S.R.D.I observed Askin, Haschwalth and Bazz-B in chapter 544. Though it is not explicitly confirmed they are the same in both instances this person laughed "GehGehGeh" Therefore I and most other people think this is the same person, who most people call "Mr. GehGehGeh" or something similar.