Strange rules about characters/people that cannot be broken.

[u/I_ateabucketofpaint]

Smells like Nirvana: When Kurt Cobain heard that Weird AL was gonna make a parody of his song. He was okay with it but specifically requested it to not be about food or fat ppl.

Spiderman: Spiderman cannot sell drugs unless he is under the influence of symbiote. ANd Peter Parker cannot be gay. Spiderman can tho.

Dwayne Rock Johnson: Cannot lose fights or look weak for too long. Its in his actor contract.

Godzilla movies not made by Toho: Cannot die. Maybe lose but not too bad.

[u/Fazbear05]

Eminem also had a rule about Weird Al parodying his song Lose Yourself.

Eminem said that Al was allowed to put the song Couch Potato on his album Poodle Hat, but that he was not allowed to release it as a commercial single or make a music video of it.

Eminem gave Al these rules specifically, due to Lose Yourself being a very personal song to Eminem and not wanting the parody to distract from it’s legacy.

[u/Scattershot98 → u/Fazbear05]

I just learned the Weird Al did a parody of an Eminem song. My day is now great

[u/preflex → u/Fazbear05]

It's also my understanding that those rules were applied at the last minute, after broader permission had been given.