(This is also a show concept I had that might be cool. Let me know what you think of it. This is also half-based on Wki and Broogli lore.)

Tyler Smith - a 26 year old guy who uses his inventions and genius to survive the threat of the Backrooms. He's friendly, and likes to help any entity rather than killing or running from them. Says he knows the Backrooms like "the back of his butt". He's rather.. not careful. But he's not entirely human...
He glitched, or rather merged, with another creature when he first landed in the Backrooms, and therefore has been a target by the Creator of the Backrooms. Now, he obtained the powers of the creature, which allows him to defy gravity and stand on walls or ceilings. He can also touch glitchy objects with ease, not being entirely human.

Tim(my) - A faceling that Tyler befriended. Looks like.. a.. RIPPED... ABSolutely ripped. Anyway, despite not having eyes and a mouth, he still manages to breathe and eat and see.
After a bit of time (1 and a half years), Timmy became Tyler's boyfriend, and goes on adventures with him. Both in the physical and the intimate type.

Aiden - The classic backrooms character follows Tyler and Timmy around as they go on adventures sometimes. Since the Aidens are a hive mind, some leave and reappear after a time. Their dynamic is blunt, but rather informational.

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Other characters, including the entities which Tyler befriended:

Fiona - A entitist Wanderer (like racism but for entities) who was stuck for five days in the Backrooms, and who is rescued by Tyler, and later she learns the error of her ways and they all become friends as time goes on.

EPISODES LIST:

Episode 1: PILOT
Backrooms Adventures Ep 1: PILOT · No-clipping into the backrooms
Tyler Smith meets Lily Reed, and helps her through the Backrooms and defends against entities! Introduction to Main Characters can be found here!

Episode 2: Levels Of Cuteness
Backrooms Adventures Ep 2: Levels of Cuteness · Mr. Kitty
Tyler explores level 974 aka "Kitty's House" and helps restore the cuteness to his world. Due to the personality of the character from Ep. 1, Lily will not return... so uh.. Lily canonically died after a bit and Tyler will remember her later on and feel bad that it happened. He'll also learn of her death sometime (yeah ik it's fucked up)

Episode 3: Tyler Vs. Snoozy
Backrooms Adventures || Episode 3: Tyler Vs. Snoozy · WHITE COATED THRONE
Tyler fights an entity from Level 6,201 in order to escape.
This episode was scrapped to make time for The Amazing Physical Circus. Go see the Amazing Physical Circus webseries here:
The Amazing Physical Circus (Webseries)
Thank you for reading this webseries; If you'd like to continue this series, please give me credit for the original idea.