Lou Costello's character is named after Alexander Graham Bell, inventor of the telephone, and Bud Abbott's is named after Bell's assistant, Thomas Watson.
George, you know my wife's an angel?
George Bell: You're lucky. Mine's living!
When George (Lou Costello) comments that Nugget Joe (Tom Ewell) has quite a list of enemies, he says that there are twelve names on the list. If you count up the names in the notebook, there are only eleven on it.