> i didnt add the Movie Category to Dylan Minnette
In the page history section, you're listed as adding him to the category. If you have a look at the category page for Movie Characters, you can see that all the listed articles are fictional characters that appeared in the film. The Dylan Minnette page is for the actor, not the character. Zach Cooper.
> i based grady tucker's character based on the TV episode rather than the book
The character pages aren't solely based on the TV episodes, they're more so based on the books, since the TV episodes are just adaptions and the books are the original stories. While the twist ending in the episode doesn't directly reveal that he too is a werewolf, it is loosely implied. So he'd still be identified as a werewolf.