"Modders":
__calcium
AlzarinRed
Games Repainted
kawaiikaorichan
Lady Lunanova
MainMemory

Xitter sucks because of:
_SrPelo_
AmazonChique
BasedTransPosts
Bobposting
Clara Sorrenti/Keffals
DAclassicgamer/DAepikartman
darlingstrawb
Doobus Goobus
Erin Reed
Ezramouse
fantano
Gamechamp3k (more like Fetish Chimp lol)
KairiHawk
Katherine Gibes/TransSalamander
Lady Emily
Lady Lunanova
LibsOfTiktok (more like Fibs of Tiktok)
Lilith Lovett
Liz Fong-Jones
The Nintendude
OneyNG
PearlTrans
RosieRoberta
Saberspark
Saltydkdan
Sean Sohr
ThatOneCalledRPG
UltimateDSEris

YouTube (more like ThemTube at this point):
24 Frames of Nick
8thPlaceDave
Acheeto
The Act Man/Act Man TV
Adam Rhodes 536
ADN MARIO FUN/BOX STORY GAME/other Elsagatesque trash that looks AI-generated
aDrive
AintNoobie
akidearest
Alpha Jay Show/Castoon
Alpharad+Alpharad LIVE
Altrive
Anthony Padilla
Artcord Collaborative
Asmongold TV/Asmongold Clips
Atop the Fourth Wall
Awesomemay (more like awfulmay)
Aztrocist
BaptismOnFire
BeatEmUps
beat fox15
beerpup
Bennett the Sage
Blooms
boogie2988
Brandon Buckingham
Bringle
BruhaTheImp
CandyEvie/Luvie
CaptainKidd
Cartoonshi
Cas van de Pol
CDawgVA
Channel Frederator/CartoonHangover/The Leaderboard/Get in the Robot/Outside the Robot
Channel Pup/Sunset City
chaomix
Chickeninja42
Chris Bores Neo/Irate Gamer
CircleToonsHD
cjya+cjya Vods
The Completionist(ic Thief lol)
ContraPoints
Craig Thompson/Mini Ladd
CybeR
Cybershell+Cybershell & Knuckles
dabhdude
DAGames
Daily Dose of Internet
Danger Dolan/Super Planet Dolan/Dolan Dark
Doobus Goobus
DougDoug/DougDougDoug/DougDougDougDoug/DougDougOfficiallyUnofficial/The Abyss in Dougs Basement
Dovendraw/ExtraDoven
DPadGamer
DramaAlert
Drew Gooden
Dr Shaym
Dumbsville
EazySpeezy/EaziestSpeezy
Eddy Burback (more like Reddy Burntback lol)
Egoraptor/Game Grumps (more like Game Slumps or Game Rumps)
ElectricDragon505/AniMat
Electronic Heroes (ironically make animations about villians)
Elvis The Alien
Embankment
Emirichu
EmpLemon
EverythingisDND
F1NN5TER
Failboat
Filter
final V3
Fir
FishMTG
Flamingo
flamingo fan
Flazefire
Foekoe
FoldingIdeas
Freezai
gabi belle
Game Apologist
Gamechamp3000 (just watch Game Center CX instead)
The Game Chasers
TheGamerFromMars
Game Sack+Game Sack Skits
Garrolous64
Gigguk
GiIvaSunner/SiIvaGunner
GLITCH/SMG4/Weegiepie
h3h3 Productions
Hack the Movies
HarleyTBS
HatsOffMedia (NOT to be confused with the seemingly superior Hats Off Entertainment)
hbomberguy
Hunicast
Hunter Smells
idubbbz
I Hate Everything
iiluminaughtii/iiluminaughtea
illymation
Infinite Bits
Internet Anarchist
Internet Historian/Incognito Mode
IntroSpektive
ItsAGundam
jacksepticeye
Jacob R
Jaiden[Animations] (shut the hell up for once)
JakeandJoelareMagic
Jake and Logan Paul
Jarvis Johnson! (fool's) GOLD
Jenny Nicholson
Jetsen
Jimmy Rowe
JobbytheHong
Johnny 2 Cellos/Johnny 2 Cozy
JREG
Jrose11
jschlatt+jschlattLIVE
Just a Robot
Justin Bae
Just Stop/Just Go
KaggyFilms
Kappy
Karl Andersson
Karl Jobst
Knarfy
KSI
KumoCommentary
Kwite
Lady "I don't have that money" Decade
Laugh[ability]
LegalEagle
Level UP!
lewissmle
lexrobloxx
Liam Triforce
LiaRblox
Lily & Mikaila [Orchard]
Linkus7
Linus Tech Tips/Techquickie/ShortCircuit/TechLinked (How many channels do these numbskulls want?!)
LioConvoy
LS Mark/Midnight Mark/Splash Dash/Meeting Halfway (Gen Z's Lily Orchard)
Ludwig+Ludwig VODs
Lute
Magic The Noah
maldhound
MandatoryPixel
Mangs
Marc Lovallo
Matan Even
MatterBoar CLIPS
Matt Fradd (more like Matt Fraud lol)
Matt McMuscles
Mawde Wile
MeatCanyon
Memeulous
Misty Chronexia
MorePegasus
Mother's Basement
MrBeast/MrBeast 2/MrBeast Gaming/Beast Reacts
MrCreepypasta
Nawnii
Nitty
Noodle
Nux Taku/nuxanor
Nyarly
O3
OneyNG/OneyPlays(WithMyEyes)/OneySays/SleepyCast/SleepyCabin
oompaville
packwatch
Pat the NES Punk (more like Pat the Cringe Drunk)
pChal
penguinz0/HugeCharles/Penguinz0 Soggiest Clips/Moist Cr1tikal Clips/Moist Charlie Clips/Moist Moments/Moistcr1tikal Reacts To/Critical Reacts/critikal compilations (A Dose of Buckley is, has been, and will always be better)
Pexto
PhoenixSC
Plainrock124
Pod Town
PointCrow
Poki[mane]+Pokimane Too
Press A!
ProJared/Now in the 90s
ProZD
Pyrocynical/PyroLIVE
QuantumTV
Quinton Reviews
ralphthemoviemaker
Ranking EVERYTHING With Memes
Rarran
Raymundo 2112
raysfire
RebelTaxi
RedFalcon
RelaxAlax
ReviewTechUSA
Rev [says desu]
RGT 85
Rikanon
RoDev
RTGame
Ryan Presents
Saberspark+Saberspark 64+Saberspark Highlights
Saltydkdan
SaltyPhish
SamHuggins
Sample
Sarah Z
Schaffrillas Productions
Scott the Woz/Scott's Stash/Scott's Snippets
secretgoombaman12345/RidiculousCake
Seer
sensitive soci3ty
Senza
Shyguymask
shoe0nhead
SilokHawk
SimianJimmy
Sleigher
SmallAnt+SmallAnt VODs (more like SmallDick)
SockStudios
SomeOrdinaryGamers+SomeOrdinaryPodcast/SomeOrdinaryHighlights
SonnyTM
Sophist/Party Crashers
The Spiffing Brit
Spilled Ink
Sr Pelo+Pelo Streams (more like Pee-low lol)
SSSniperWolf
Stardust
stanz
Steve Reviews
Stryder7x
Summoning Salt
Super Bunnyhop
tamago[2474]
Technoblade
TerminalMontage+TerminalMontage Clips
TetraBitGaming
TheAlmightyLoli
The Lovelies FAN CHANNEL (How much more stupid can it sound?)
TheMysteriousMrEnter (get your sh** together for once)
TierZoo
Tipster
Top Hat Gaming Man (more like Top Hat Begging Man, according to retrowatcher)
Trash Taste (The Anime Man[child] is a creep, apparently)
Turkey Tom/TomDark/TomDarkLIVE
Twobold
UltimateDSfan/UltimateHellscape/8BitComms
Vaush/The Vaush Pit
Veridis Joe
VerifiedUser
videogamedunkey
vinesauce and its subchannels
vinhighlights
WatchMojo.com/MsMojo
Wendigoon
WhatCulture and its subchannels (more like ButtCulture)
WIRED (Makes Me TIRED)
WolfeyVGC
Wondermat
WULFF DEN
Xploshi
xQc
YMS/YMS Highlights/YMS Clips/YMS Watch-Alongs/AnUnkindness/Sardonicast
other a**holes and enablers I'm sure I've forgotten the names of

Groups:
3GI Productions
764
advanced.gg
allthefallen
Archive of Our Own
Explosm
Fangamer
gamersupps.gg
Gnarpedia/No Limits Blox/Skibidi Farms
The Living Tombstone
lolcow.farm
Maestro Media
Natural High
Nicalis (insert Nicholas Cage joke here)
No Limits Fun
Ownaj
Programancer
Prostasis Foundation
Puyo Nexus
Retroware/Screenwave Media/Silvermania/TooManyGames/Underbelly (Hey, it's Justin!)
Sharkrobot
Spindlehorse
Studio Yotta
Uncute (and unfunny)
uwumarket
Youtooz

Misc/Multi-platform:
Alex Altera
Amanda Lochmann
Arcadia
Ava Tyson
Azzyland
Belle Delphine
benthelooney
BlueFolf
BlueMaxima
Bowblax
Bryce Cherry/dev-catscratch
Bungo Taiga
Chris Niosi/Kirbopher
Corey Wilder
CWC
Cyraxx
DaishinEijirou
Daniel Larson
Dansburst Studios
David Firth
Edmund McMillen/edmundmog/souldescen (more like McVillian lol)
fallenchungus/datsmojo
Fetty Fave/ROBLOXFave
Florian Himsl/Gamesquidable
Froge
gone_fishinq
Griffin Puatu
Grummz
Harry Partridge
Hector Martin/Asahi Lina
Hunter Avallone
Ian Jones-Quartey
Jack Doherty
Jacob Lenard
Jake Ganz
jaxamoto
JerseyFurry/TapWrench
Justin Roiland
JelloApocalypse
Joel Guerra
Josh Tomar
Joshua Moon/Null/Mad at the Internet (more like Bad at the Internet)
Karerak
Karl Hamburger
Kasuga39
Kwote
Luke Smith
Maddox (more like Sadcucks lol)
Mariel Cartwright/Kinuko/kinucakes
Marwa As(s)four/HillaryShea/DJ 747 SPLASH
Max Gilardi/hotdiggedydemon
Mick Lauer/RicePirate
Mike Inel
MontyMonferno
Mystic Mongrel
NedWolfkin
Nicholas Perry/Niko[cunt]o Avocado[pe]
ninja_muffin99
Nitrolord
noeieye
Paul Robertson
Peppermint Swirl
Peter Murray Hill/Z0NE/ZONE-SAMA/Zone Archive/Zone Toons
Phong Tran/S2PID/S2LSOFTENER
Pipkin Pippa
psychicpebbles/Zach Hadel
Purple Kecleon
Ray Rants
raxdgames
Razorfist
Rebeccah Kruleski/Rebeccah Starlight/StarGiantess/Star Giant Productions
SB99stuff
Sergio Leonardo Cornejo
Sewerslvt
Shadbase/Shadman/TheShadling
Shmorky
SolidMario
Sophie Labelle
Spazkid
StampyTV
Stealth_Brock
Strawhat Bink
SuperSpoe/officialshitlord
Suzanne Berhow/Moretemer
Terry Davis
Vince Vantage
Vinson Ngo/Bleedman
Vivziepop

In conclusion: nearly everyone is terrible!