Shaggy and Fred both prank Velma, Daphne and Scooby by letting a caveman that's frozen alive melt in the malt shop. P.S. They got their own back by having the Mystery Machine impounded. Note: These are all my designs on the Mystery Gang. Also, I didn't mean to make the caveman look like me. That was purely accidental. And anyway, I would do the hair different if I did.
Thanks to Hanna Barbera and all the people how made this meme.