When I was young,I thought the lyrics "Secret Agent man" were actually "Secret Asian Man".
A childhood belief about misheard lyrics

others believed things like this
- i thought that our cats were secret spies for my parents and i would never do anything bad around them. Anon
- i really thought that "key" was a secret letter to the alphabet that only i knew.— amber
- I thought my aunt was Tina Turner actually, but she is keeping this as a secret...
— sel - I used to think that James Bond and all the other secret agents worked for MFI.— John C
- I used to believe there was a secret door to the gremlin world hidden under my bed— Mel
- I used to believe Jessica Simpson was a secret character from "The Simpsons"— Lemon Jelly