What do you want to be when you grow up.
There are no such thing. Look at the reality. The costume guy nowaday either going to jail because of crime or mental hospital.
No, they existed, and they don't need any costume or theme song. They are "The Unsung Hero!!"
-The Unsung Hero mean: A person who makes a substantive yet unrecognized contribution; a person whose bravery is unknown or unacknowledged.