KISS stands for Knights In Satan's Service (false)
KISS added their blood to the red ink used in the KISS comic book (true)
Rumor about the Surf Punks that one was the son of Captain and Tennille and the other's dad was the Captain from the Love Boat. Neither fully true but one of the Surf Punks was the brother of Captain (of "and Tennille" fame)
The Rod Stewart, Stevie Nicks, Alice Cooper ones were the other big ones
What I find fascinating about these are the way they spread word of mouth across the country (world?). Also, how did something the like chant to Billy Idol's "Mony Mony" spread the same way (though this seems to be slightly different regionally)