The symbol in the story The Moustache by Robert Cormier is Mikes moustache he had grown. Mikes moustache symbolizes his grandpa and wanting to grow up and be an adult. when Mike went to visit his grandma at the nursing home she thought it was her husband because he had a moustache just like his grandpa had. “And he wore a moustache. I brought my hand to my face. I also wore a moustache now, of course”. Mikes grandma got the chance to apologize to her husband. even though it wasn’t really him. Mike then left his grandma and shaved his moustache he wasn't ready to be an adult and deal with those kind of stuff yet.