A long-lost artifact I only recently discovered provides additional confirmation of Krystal's backstory.
After reattaching the tail, he sent some pictures.
If you subtract the cost of the Fox Amiibo, you get Star Fox Zero and Guard for about $16.
A casual Krystal figure from about 15 years ago, rediscovered.
Airbrush artists esreyarts has a Krystal T-Shirt for sale on his ebay store.
Star Fox Super Weekend massive bundle hits ebay for the low, low prices of $6000.