His nickname "Hair" was given to him by one of his paint bosses on set because of his distinctive spiky hair style.
His nickname "Rod" was given to him him by several of his paint bosses on set because of his distinctive spiky hair style ala Rod Stewart. Bruce actually worked on Rod Stewart's Beverly Estate house doing faux painting effects on his house.
He got the nickname "Rock and Roll Reverend" because he at one time became credentialed as a minister through his church.
Bruce's parents were professional puppeteers. They were called "The Pulpit Puppets" and also the "MARIONettes" (Due to the fact that his mom's name is Marion).