Board Thread:General Discussion/@comment-6192846-20141209211951/@comment-2600:1702:3EC0:4B80:65F0:D4EF:5AB:5358-20190302032823

Also, this doesn't necessarily mean that his father isn't Netsuma, for the record--he uses the "ya" syllable, which means he's not making an exhaustive list of Netsuma in his family in only listing himself and his grandad. It's possible his father is too and he just didn't find it relevant to mention.