Cartoon: "Personally, I think they got tired of scaring Earth with Flying Saucers, and decided to try something different!"
From Author Wars - https://authorwars.com/books/cartoon-personally-i-think-they-got-tired-of-scaring-earth-with-flying-saucers-and-decided-to-try-so-884942.html
Overview:
Editions/Publications:
- Unknown. Fantastic Story Magazine, Spring 1955 (Unknown, Al Boime, Best Books, Inc., $0.25, 116 pages, pulp, MAGAZINE)