Not much ... although they were the sh*t when I was a kid. I'd have to say that the movie they made was pretty cool! KISS members with super powers fighting evil in an amusement park. Priceless!
What was it ... oh yeah, the four members were:
StarChild, able to peep on conversations with his amazing "makeup eye"
Demon, self explanatory
CatMan, well ... you guessed it.
SpaceAce, some superpower I can't remember.
I can't believe I remembered all that. Must have made an impression ...