User blog comment:Lord Loss/Monster Hunter Theory... Blog/@comment-4911512-20120630225600/@comment-5367817-20120824143253

I think that the giginx sub is a gene mutation of an actual khezu and a giginox it a mutation of its subspiecies and the people of moga happened to come accross the poison spiecies first so when they came accross the thunder one they called that the sub.