The name on Egghead's scooter is "Elmer Fudd, Peacekeeper". This is the first instance of that name in a Warner Bros. cartoon; it would eventually belong to the character that Egghead evolves into.
This film spoofs Douglas Corrigan, better known as Wrong-Way Corrigan. An unseen character (voiced by Mel Blanc) hiding in a McCoy's cellar, announces himself: "My name is Non-Stop Corrigan. I thought I was headed for Los Angeles. It was a mistake. My compass broke. Honest."