Careful...

Or the thumb police might getcha!

AAAAAYYYYYYY!!

Good thing Arthur Fonzarelli did't have to clear it with this guy, huh?

Reality:

Come to think of it, the "copyright holder on the signature "thumbs up-thumbs down" judgment " kinda started in MY homeland ~2,000 years ago, didn't it?

And THEY didn't need no stinking "copyright."