Let me take you back in time to 1995, where one certain anon traveled to Japan to vist a Super Hero theme park called UltraLand. And there, that one Anon made a deal with a guy filling up the UFO Catcher machine, that if he could name all of the kaiju plushes he showed, he'd gain them. The Anon traveled back to America with 99 tiny kaiju who proceeded to fight amongst themselves.

And here's the first one, Ace Killer, from Ultraman Ace.