Thanks for the input, guys. I also took the time to translate the stamp on the back (second picture w/ the squiggles), and think I might have discovered something really cool!
Here are what the three sections of the stamp say:
Top:
3 X 3+
3 号台
Middle:
'95, 7, 25
Bottom:
撮済
The bottom is pronouced "satsusumi" and means "finished photography." So, I think that the filming of this particular cut was on 7/25/95.

The top I'm not too sure of, but it might be the label for the camera that was used. The first kanji in the top part means number, and the second is the counter for machines.
It makes sense that the studio would have to have a way to keep it all together, because from what I understand, they outsource some of their work to inferior studios, so they really need to stay organized.
I'd still like to know where the wolf comes from; is he from another show? Or a rejected doodle? Ah, well. This is still pretty cool.
Baakay wrote:but what he is, is really cool! That would be a fun thing to do some CG work with

I have no idea how to do CG work.

But if you want to shoot me your email, I'll try to flatten him, get a better scan, and send you the full image to goof around with.
kittens wrote:It is fun to read......
Yes, it sure is. Even more so now that I know how to use the handwriting tool on Word so I don't have to look up kanji in a dictionary anymore. It's so much faster to write them!! Plus, I now know how to put the furigana on the words, so I don't have to guess on the pronounciation.
