A recent video of a panther stalking and "attacking" a man seems terrifying, but thankfully the man is Eduardo Serio, friend to large cats. Serio founded The Black Jaguar-White Tiger Foundation, which rescues exotic cats from the clutches of zoos and illegal pet owners.
This panther is named Kal-El, which is (of course) the birth name of Superman on Krypton. It's a bird! It's a plane! ...it's a cat:
Here's some more fun wrestling with another giant cat:
There's actually a whole lot of cat wrestling. They really like to play:
It looks like those cats are living the dream.