Nope
HYE eaten something that you thought was one thing, but was really another? (When I was little I found some bulbs - The kind flowers come from - I thought they were onions, so I ate one.)
In person? Not extrememly famous... but semi, I guess.... Peter Fuller, if he counts. But I doubt it, even is he is incredably awesome.
Sat on a cat? (Okay, when I did it was dark! And she was black!)