Board Thread:Off Topic/@comment-27888871-20170404181347/@comment-26397825-20170726015934

I believe we were calling the older Grimm varients for lack of a better, short name to call them by. Sure you can say "Older types" but we were looking for a quick word that everyone would know what we meant instead of having to type out 'older Grimm' 'more powerful version' etc all the time.