My tier list of the villains from Where are you in order as well. Been watching the original show since I was about 3 and am now 19. Still my favorite series
Mego Talk
Flashback Universe Blog: Scooby Doo: Real Monsters Vs Fake Monsters
Discuss Everything About Scoobypedia | Fandom
Original Scooby-Doo Series Villain Tier List by NerdyNova on DeviantArt
GC2F144 Scooby-Doo: Monsters Unleashed (Traditional Cache) in Pennsylvania, United States created by Greyvin
My Top 50 Favorite Scooby Doo Tv Show Monsters by SkullKiller1199 on DeviantArt
Scooby-Doo and the Circus Monsters : Various, Various: Movies & TV - Amazon.com
I made a Tier List for the main monsters in each Scooby-Doo movie. Here I ranked them based on how spooky/cool their costume/design was. Link in comments for template. [CAUTION: SPOILERS AHEAD] :
10 Most Memorable 'Scooby Doo' Monsters, According to Reddit
10 Scooby-Doo Villains Who Are Actually Scary
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15 of the Spookiest Scooby-Doo Villains from the Show! – The Geekiary
Top 30 Scooby-Doo, Where Are You! Monsters - YouTube