User blog comment:Kogath/Monster Hunter 4 Ultimate for the Nintendo 3DS/@comment-6050823-20140715133839/@comment-4009941-20140715143259

Well that means our nicknames range from bellow.

JP spelling wise nickname could be "Seru" or "Giosu".

Spoken wise which may be more accurate if the Japanese guy spoke the name as you say? "Sel" or "Gios"