Did you guess it? It's a bit of a stretch, but the oldtimers might remember, the thing that Frank Zappa and Tipper Gore share is that they HOTLY debated about the idea of a parental music rating thing, so they might know what their kids were listening to....Dubbed the "PMRC".
OK, now I get to think of a couple, right? K..
(OH And it can be real ppl, tv characters, musicians, etc.)
John Laroquette (Think "Night Court") and Craig Ferguson.