When my sister was little and we would have to say the Lord's prayer in church, she would say "Our Father who art in heaven, Al would be his name" instead of "Our Father who art in heaven, hallowed be his name".
A childhood belief about prayers

others believed things like this
- When I was learning the Lord's Prayer, I used to say, "Our Father, who does art in heaven...."— Karen
- "Our father, with Art in Heaven, how do you know my name?"Anon
- our father which art in heaven,Harold be thy name— oddsox
- i used to say 'our father, who art in heaven, hello whats your name?'— lou
- I never did understand why it was "Our Father, who aren't in heaven".— Edith
- I used to believe that "Our Father, who art in heaven" meant that God was also a painter on the side. — Amanda