Admin's Known Universes:

Here is a list of the the Universes I know with a rating of my knowledge.

Star Wars: (★★★★★) I am intimately familiar with Star Wars lore. (Eras: Old Republic, Clone Wars, Empire, New Republic).
Harry Potter: (★★★★★) I am very familiar with Harry Potter books and movies lore. (Eras: Marauders, Golden Trio, Post Hogwarts)
Doctor Who: (★★★★✩) I am very familiar with current Doctor Who (I have watched up to Jodie Whittaker).
Supernatural: (★★★★✩) I am pretty familiar with Supernatural show and lore, currently watching it all the way through again.
Marvel Cinematic: (★★★★✩) I am up to date with all the movies and shows, besides Secret Wars.
Marvel Comics: (★★★✩✩) I know about comic characters and some lore points, but I am not super familiar with story lines.
DC Cinematic: (★★★★✩) I have seen all the current DC:EU shows and movies, maybe missing a few episodes.
DC Comics: (★★★★✩) I love the Comic universe for DC and all their characters. I am a big fan of Speedsters.
ATLA: (★★★★✩) I loved this show and have watched it a few times, though it has been a while.
Legends of Korra: (★★★✩✩) Watched the show fully, but some plots I've forgotten about.
Wednesday: (★★★✩✩) I watched the show and have seem some of the Addams family, but not much. I am a sucker for Wednesday x Enid though.
Percy Jackson: (★★★✩✩) I have read all of the Percy Jackson books and some of the Heroes of Olympus, but I am not SUPER familiar with Greek Mythology.
The Magicians: (★★★★✩) I love this show, I've watched it a hand full of times. Some of the lore is confusing so I won't full five star it.
The Walking Dead: (★★★✩✩) Good show! I am familiar with the lore and a good chunk of main characters, however I stopped watching during the Negan time.