User blog comment:Xilinoc/Ch. 599 - Too Early To Win, Too Late To Know/@comment-2146692-20141002115937/@comment-25490920-20141002135036

Which is why people should wait for Mangastream to put their's out before people here update the page with incorrectly translated names/information.

Stern Ritter C is "the Compulsory" and has the name Pernida Parnkgjas

and Stern Ritter X is "The X-Axis"