memorises specific details because they reread or rewatch regularly, can quote entire passages or scenes, slays during trivia
analyses for deeper meaning, engages in online discussion, writes meta essays for fun
completely loyal to the original source material, probably close their eyes and cover their ears because any spin-off or adaption is a travesty that they ignore the existence of
loves anything, new or old, to do with the fandom, even when things border on the absurd and retcon the original material because THE MORE, THE BETTER
likes to play with the world and the characters, loves creating and sharing headcanon, fanfiction, fanart or graphics; maybe even roleplays
creates funny text posts, liveblogs reactions, probably likes to stir the fandom up for fun