I thought that Lenin and John Lennon were the same person because their names are pronounced egzactly the same!
A childhood belief about names

others believed things like this
- I used to think that Lenin and John Lennon were the same person.— Melanjolly
- I used to think that the Beatles broke up when John Lennon died.— Shirley B.
- My sister thought (not more than one year ago, she is now 14) that John Doe was an actual person.— Brother to Natascha
- I used to think Freud was pronounced frood, and that "Froid" was a separate person with a different name!— Gracie
- As a child, I thought that Olivia Newton-John was Elton John's wife and Juice Newton's sister.— Connie
- As a child I used to think that Olivia Newton-John and Elton John were married.
Boy, I was way off.— Lisa