Sparta is gone.
If the name sounds familiar, Sparta was the kitten in the "Mean Kitty" music video posted by Cory Williams (aka Mr Safety) on his SMP films channel more than a decade ago. I've followed his channels (plural) as he progressed from zany content creator to seemingly-well-rounded family guy. Lives in Tulsa now.
If you like animals or just have a soft heart, have some tissues ready.
https://youtu.be/zouIfobyBOsBrad