ToTS
Tower of True Skill
This tower was dethroned as the hardest tower in the game when Ring 7 was released due to Tower of Elongated Runs.
Tower of Inception
200
Tower of Confusion
You may know him for hard puzzles involving doors, but this developer also made classics like Tower of Eternal Suffering and Tower of Frightening Nightmares
tintom495
Everyone knows the name of the citadel of the Halloween 2020 event. Very emotional and you get the fragmented helmet as an award.
Citadel of Horrifying Phobias
ToTH
Tower of Tokyo Heights
The JTOH kit's base music can be traced back to this Ring 1 tower.
Tower of Stress
400
Tower of Friendly Jumps
Everyone knows Tower of Really Nasty Ideas was made by 2 people. Blockerman was one, but who was the other?
aamo_s
This tower, made by Auterus, was the first tower to be confirmed for Forgotten Ridge.
Tower of Versatility
ToCC
Tower of Collective Collaboration
This Intense tower was the first one to have a cutscene in it.
Tower of Never Giving Up, Ever
600
Tower of Dust and Decay
This person infamously made Tower of Suffering Outside, which led to immense difficulty dramas.
AzaZeall
This Challenging steeple in the Christmas 2020 event was infamous for being one of the few steeples to use clickable buttons, being insanely hard for its difficulty, and having more than 100 presents. Hell, the frame itself is a bunch of gifts.
Steeple of Wrapped Suffering
ToNBA
Tower of Needing Basic Aptitude
This Bottom Challenging tower was the 2nd ever to give a temporary item during gameplay, with Tower of Yearning Success being first.
Tower of Dreams and Caverns
800
Tower of Mechanically Induced Mayhem
On the wiki, he's only known as a bunch of numbers, but once you know his other username, you'd be surprised that he made Citadel of Quadrilaterals, Tower of Beat Block Berserk, Tower of Unearthed Discoveries, and even owns a game called "box land".
AbstractMight
This is the name of the boss of the Halloween 2019 event.
ToHtem, or Totem from Hell.
ToFSC
Tower of Fairly Simple Challenges
This was the tower that essentially stopped any future difficulty polls due to people not being trustworthy enough and putting joke votes, as said by Gammattor.
Tower of Champion's Road
1000
Citadel of Lethargy
They may have been cool for this former helper of JTOH, but in reality, Tower of Dispersed Rooms and Tower of Infuriating Obstacles weren't as good as he thought when he made them.
Sev6n (a.k.a RubyRaptured)
The location of the April Fools 2022 event was called this.
Terrain World