Back when the COCOON movies were popular I for a long time thought there was an actress in them named Donna Meechee (I wasn't sure how to spell her last name). I puzzled over what character she played. Quite sometime later I finally found out that I was hearing the name of actor Don Ameche instead.
A childhood belief about films

others believed things like this
- I thought that the Allen wrench was named after an actor from Home Improvement, Tim Allen.— Jorge
- When I was little I wanted to be an actress because I thought they shrink you and put you inside of a TV.— Lindsay
- I use to believe that a "Prima Donna" was "Pre-Madonna"---someone before Madonna's time.
— Lacey S - There was a popular rumor back in grade school that BUBBLE YUM gum was made with spider eggs.— Amber
- I used to believe that the word prima donna was actually pre-MadonnaAnon
- few years ago, finally I found out that asparagus are not big sea fishes.. — nixass