For 50 years, the cowardly and perpetually hungry Scooby-Doo has graced televisions across the planet, solving paranormal mysteries. The Great Dane with the world’s most adorable speech impediment has been the star of twelve different series, multiple films, and two live-action movies.

Although Scooby and the gang have debunked countless ghostly phenomena while cruising around in Mystery Machine, there are still a ton of mysteries left to solve: like what are those little-known franchise secrets that’ll make 10-year-old you clutch your Scooby Snacks? Well, you’re in luck — we’re about to  pull the mask off the beloved show!

1. The gang was originally supposed to be a rock band that toured around in a hippie van and solved ghostly crimes. Their names were going to be Geoff, Mike, Kelly, Linda, and W.W. with their bongo playing dog named “Too Much.” The network thought the whole thing was too much, and it was back to the drawing board.

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2. The voice actor of Fred, Frank Welker, has been the only consistent voice actor throughout the entire TV series. He’s been the voice of Fred for 50 years now and doesn’t have any intentions of stopping.

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3. The famous bit of Velma losing her glasses and proclaiming, “My glasses! I can’t see without my glasses,” wasn’t in the original script. The voice actress, Nicole Jaffe, misplaced hers at a table read and uttered those famous words while in character. The producers instantly wrote it in the script and made it her “thing.”


4. The voice of Shaggy, Casey Kasem, left the show after 28 years because producers wouldn’t make Shaggy vegan. This came after Burger King wanted him to voice one of their commercials in character. Finally, after five years, producers compromised and made him a vegetarian. 

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5. Scooby-Doo’s name was inspired by Frank Sinatra’s song “Strangers in the Night.” During part of the song, Sinatra scats the phrase “doo-be-doo-be-doo,” which gave birth to Scooby’s full name, Scoobert Doo.


6. Scrappy-Doo was the biggest mistake the show creators ever made. In 1979, fans were outraged when Scrappy replaced Fred, Daphne, and Velma. By 1988 the OG crew was brought back, and Scrappy was turned into a villain in the live-action movie.  

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7. Writers never intended to make Shaggy a stoner, even though all the signs were there. Shaggy exuded all the hippie vibes, what with the munchies and all that time he spent in the van. The show’s creators simply said that’s just who he was without drugs!


8. There is a long-running, unconfirmed, fan theory that the show is set in a time of economic depression. The gang always finds themselves in abandoned places, and the monsters usually turn out to be real people trying to make money. 


9. The creators were originally told that they needed to change Scooby’s dog breed because he too closely resembled Marmaduke. They redrew him as a sheepdog, but then he looked too much like Hot Dog from the Archie comics. Eventually, the writers changed him back to the crazy Great Dane we love.

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10. Animators brought in real dog breeders so they could accurately portray a Great Dane’s ears, body, and face. After reworking Scooby to more accurately resemble the dog breed, animators scrapped the whole thing and stuck with their initial drawing.

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11. Over the past 50 years, fans have been able to piece together Scooby’s interesting family. He was born of Mama-Doo and Dada-Doo, and has an annoying nephew named Scrappy-Doo. He is also a triplet with ’80s pop star Dooby-Doo and computer enthusiast Skippy-Doo, with many other strange “Doos” in the mix.

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12. Don Messick made the voice of Scooby-Doo and his rolling R’s one of the most famous and recognizable voices in the cartoon world until his death in 1985. He voiced some other pretty famous characters, too, like Papa Smurf, Boo-Boo Bear, Astro the Dog, and Sebastian the Cat.

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13. Shaggy and Scooby-Doo are the only characters that appear in every single TV episode, series, movie, or spin-off. Writers and fans alike knew that the show totally revolved around the mischievous pair.

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14. The 2004 live-action movie pays homage to the very first episode “Scooby-Doo Where Are You!: What a Night for a Knight” back in 1969. Daphne asks Shaggy to search a castle with her and he says no, “castles have paintings with eyes that watch you, and suits of armor you think is a statue…”


15. The live-action movie was in the works more than a decade earlier and would have been a very different movie. Hollywood originally wanted Jim Carrey to play Shaggy, Sara Gilbert to play Velma, and Kevin Smith to direct. Nothing ever came of it, and we ended up with the 2002 film instead.

16. Despite being a show built on so much ghostly activity, Carl Sagan, a famous astronomer, was one of the show’s biggest fans. He felt that the skeptical nature of the show taught the youth to question everything that seems out of the ordinary. 

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17. The Scooby-Doo series has lived many different lives in the past 50 years. The most popular adaption is by far the original, Scooby-Doo: Where Are You!, which ran from 1969-1970 and the reboot, What’s New, Scooby-Doo?, which ran from 2002-2006.

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18. The beloved Scooby-Doo is the only character to never age throughout all of the series and movie reboots. The gang has aged in range from high school students, to junior high students, to full grown adults, but Scoobert Doo has always remained seven years old and loyal.

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19. Despite Scooby-Doo being a household name, it’s hard to believe that all of the series and movies combined have just won two awards total. One of those awards just so happens to be a Kid’s Choice award for “Favorite Fart in a Movie.”

20. Hanna-Barbera Productions, Inc. wants to create a cinematic universe just like Marvel and DC. The universe would incorporate some of their other famous characters from The Flintstones and The Jetsons as well. Reboot, reboot, reboot!