This could be a technical "Wow That Was Fast" given the time frame of the leaks to when this was published. For those out of the loop: https://www.resetera.com/threads/the-space-world-1997-demo-for-pokemon-gold-has-leaked-online.45913/

Yep, is correct, this is a Pokemon "tiger" with electric type

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Should we have some kind of special "spaceworld beta" tag to go along with the inevitable influx of beta inspired art?

alphamone said:

Should we have some kind of special "spaceworld beta" tag to go along with the inevitable influx of beta inspired art?

Sure. Someone already created the tag, presumably at some point after you asked this. That's a good thing in my opinion. I would probably have created the tag if we didn't have it already.