Trollkins was an 1981 animation by Hanna-Barbera.
Despite its name it has nothing to do with the Good Luck Trolls or the counterfeit toyline of the same name. It is often exampled as a counterfeit Troll Dolls animation, though has very little in common besides the use of "trolls" as a species and was aired long before the 1990s Troll doll craze.
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The show focused on the misadventures of Blitz, Pixlee, and their pet Flooky in Trolltown. It shares a number of story telling style elements with The Dukes of Hazzard and was described at the time as a cross between the show and The Smurfs.
Due to the similarities between the name and certain elements of design, as well as the species being "Trolls", it was often labelled alongside many other animations in later decades as being a "counterfeit" Troll Doll show. However, as it aired a decade before the Troll Doll craze of the 90s it is also often dismissed as such of an example.