User blog comment:1st Prince of Winds/Winter Awards 2018: Fusion's votes/@comment-32347223-20180209121008/@comment-32347223-20180209122257

Because certain ones were born with more hedgehog spikes, such as Vivos, who had the back spines.

So, mobians put together the things they saw, pointed extensions and fox builds, so... Razor-Fox.

Maybe this still needs some work...