Lunacy:

Twilight Sparkle
Sunset Shimmer
Lightning Dust
Spike
Shining Armor
Diamond Tiara
Silver Spoon
Cadance
Flash Sentry
Scootaloo
Rarity
Lyra
Bon Bon
Flitter
Cloudchaser
Snails
Snips
Fancypants
Fleur de Lis
Fluttershy
Bulk Biceps
Berry Punch
"The Professor" Bill Neigh
Clip Clop
Dance Fever
Hugh Jelly
Geri
Gizmo
Turf
Hoops
Dumb-Bell
Twist
Gustave Le Grand
Honeycomb
"The Killer Bee" Midnight Strike
Sparkler
Neon Lights
Zema Ion
Rumble
Overdrive
Garble (Commentator)
Ahuiztol (Commentator)

Authority Figures:
Star Swirlanaitis (Executive Vice President of Talent Relations
Luna (General Manager)

Sublime:

Rainbow Dash
Pinkie Pie
The GREAT and POWERFUL Trixie
Spitfire
Soarin
Big MacIntosh
Apple Bloom
Applejack
Colgate
Thunderlane
Sweetie Belle
Octavia
Aloe
Lotus Blossom
Cheerilee
Daring Do
Braeburn
Blueblood
Caramel
Photo Finish
Granny Smith
Doughnut Joe
Vinyl Scratch
Hoity Toity
Pipsqueak
Red Delicious
Golden Delicious
Happy Trails
Ace
Marble Pie (alternately Inkie Pie
Limestone Pie (alternately Blinkie Pie)
Steamer
Babs Seed
Uncle Wing
Sweet Tooth
Nurse Redheart
Pretty Vision
Davenport
Check Mate
Commander Hurricane
Squire
Discord (Commentator)
Dr. Whooves (Commentator)

Authority Figures:
Celestia (General Manager)

Tag Team's:

Lunacy:

Sunset Shimmer and Lightning Dust (More of an alliance, really.)
Diamond Tiara and Silver Spoon.
Lyra and Bon Bon.
Flitter and Cloudchaser.
Diamond Tiara and Turf.
Turf and Silver Spoon.
Rarity and Twilight Sparkle (Again. More of an alliance and friendship.)
Cadance and Twilight Sparkle (Friendship.)
BroMans (Shining Armor and Flash Sentry)
SLIME (Snips and Snails)
EGO (Gustave Le Grand and Fancypants) (With Fleur de Lis as manager)
Hoops and Dumb-Bell
Horsepower and Rumble
NION Lights (Neon Lights and Zema Ion)

Sublime:

Beauty Shot - Photo Finish and Pretty Vision
Aloe and Lotus
The Ghost Girls - Inkie Pie and Blinkie Pie
The Wonderbolts - Soarin and Spitfire (Cannot compete for EITHER tag team title because of gender restrictions, but that's why intergender matches exist.)
Red Delicious and Golden Delicious
Braeburn and Happy Trails
Canterlot Class - Hoity Toity and Blueblood
Couch-Mate - Davenport and Check Mate
The Apple Dynasty can also contain many tag teams

Stables:

Lunacy:

The Mean Girls - Diamond Tiara, Silver Spoon, and Turf
The Oddities - "The Professor" Bill Neigh, Clip Clop, Hugh Jelly, Dance Fever, "The Killer Bee" Midnight Strike (Basically the rejects of my brand. If they have to, though, they are not afraid to face off against each other.)
Rumble Roses - Rumble, Flitter, Bulk Biceps, and Cloudchaser. (Stable name based off of a video game with the same name.)

Sublime:

The Apple Dynasty - Applejack, Big MacIntosh, Apple Bloom, Granny Smith, Braeburn, Babs Seed, Red Delicious, Golden Delicious, Happy Trails, and Sweet Tooth.
Apple Corre - Big MacIntosh, Apple Bloom, and Applejack (Managed by Granny Smith.) (Mini-stable that coincides with The Apple Dynasty.)

Champions:

Lunacy:

Women's Eternal World Champion: Twilight Sparkle
Champion of Carnage: To be determined
Chick Combo Champions: Silver Spoon and Turf
Crater Chick Champion: Cadance

Sublime:

World Fighters Champion: Trixie
World Brawlers Champion: Thunderlane
International Champion: Daring Do
Sublime Tag Team Champions: Photo Finish and Pretty Vision

Shared:

Combos of Carnage Tag Team Champions: Gustave Le Grand and Fancypants