Trivia: Heckle and Jeckle
- Hey, It's That Voice!: The voice of Heckle and Jeckle in "Messed Up Movie Makers" was Dayton Allen. Who is also known to fans for playing Mr. Bungle, Cleo the Giraffe, Deputy Dawg, Lariat Sam, and James Hound.
- H&J's voices before this were Syd Raymond (voice of Paramount's Baby Huey and Katnip from Herman & Katnip), Ned Sparks and Roy Halee (Mighty Mouse's singing voice).
- Fred Jones voices Heckle and Jeckle in the Filmation series.
- Keep Circulating the Tapes: None of their cartoons have seen an official DVD release, and the only short that's easy to acquire is their debut "The Talking Magpies", by virtue of it being in the public domain.
- What Could Have Been: "Mechanical Trouble" was intended to be a 1964 cartoon. It was storyboarded but it never went beyond that.