User:Tonygameman/The King of Fighters XV Roster

Sacred Treasures

 * Kyo Kusanagi
 * Iori Yagami
 * Chizuru Kagura

Hero

 * Shun'ei
 * Meitenkun
 * Benimaru Nikaido

Fatal Fury

 * Terry Bogard
 * Andy Bogard
 * Joe Higashi

New Faces
Officially named Orochi in The King of Fighters XV.
 * Yashiro Nanakase
 * Shermie
 * Chris

Art of Fighting

 * Ryo Sakazaki
 * Robert Garcia
 * King

Ikari Warriors

 * Ralf Jones
 * Clark Still
 * Leona Heidern

Agents

 * Blue Mary
 * Vanessa
 * Luong

Super Heroine
Originally named Women Fighters.
 * Athena Asamiya
 * Mai Shiranui
 * Yuri Sakazaki

Garou

 * Rock Howard
 * Gato
 * B. Jenet

South Town

 * Geese Howard
 * Billy Kane
 * Ryuji Yamazaki

Awakened Orochi

 * Orochi Yashiro
 * Orochi Shermie
 * Orochi Chris

Samurai
From a fellow SNK fighting game series, Samurai Shodown.
 * Nakoruru
 * Haohmaru
 * Darli Dagger

Uncertain

 * Shingo Yabuki
 * Kim Kaphwan

Japan

 * Kasumi Todoh
 * Goro Daimon
 * Saisyu Kusanagi

Jhun

 * Jhun Hoon
 * Gang-il
 * Kim Dong Hwan (EX moves involve his brother Jae Hoon appearing as an assist)

Psycho Soldier

 * Sie Kensou (reverts back to his The King of Fighters XIII self)
 * Mui Mui (related to Kensou because of dragons/Nikuman and a dialogue with former in XIV)
 * Bao

Anti-Rugal

 * Heidern
 * Whip
 * Adelheid

Cuties

 * Alice Nikata
 * Xiangfei
 * Malin

Krauser

 * Wolfgang Krauser
 * Laurence Blood
 * Axel Hawk

Masters

 * Chin Gentsai
 * Tung Fu Rue
 * Takuma Sakazaki

Pro-Wrestling

 * Raiden
 * Tizoc
 * Red Dragon (3-Count Bout)

K'

 * K'
 * Kula Diamond
 * Maxima

Ash

 * Ash Crimson (considering his possible revival in XIV thanks to souls being released from Verse after his defeat and a cameo in Team Official Invitation's ending)
 * Elizabeth Blanctorche
 * Kukri

USA Sports

 * Lucky Glauber
 * Heavy-D!
 * Brian Battler

South America

 * Nelson
 * Zarina
 * Bandeiras

Mexico

 * Ramon
 * Angel
 * King of Dinosaurs

Brazil

 * Richard Meyer
 * Bob Wilson
 * Marco Rodriguez (Garou: Mark of the Wolves)

Shanghai

 * Oswald
 * Shen Woo
 * Duo Lon

Sky Pirates

 * Alfred Airhawk
 * Love Heart (if she returns despite being owned by a different company)
 * Roddy (Top Hunter: Roddy & Cathy; references his occupation as a bounty hunter)

Justice

 * Najd
 * May Lee
 * Chae Lim

Mr. Big

 * Mr. Big
 * Freeman
 * King Lion (Savage Reign)

Orochi

 * Goenitz
 * Mature
 * Vice

Official Invitation

 * Antonov
 * Sylvie Paula Paula
 * Mian

Buriki One

 * Gai Tendo
 * Silber
 * Mr. Karate II (separate character from Ryo and Takuma, much like Kyo's NESTS Style and Iori's EX movesets in XIII)

Art of Fighting 2
A funny name I came up, since all three debuted in the same-named game and a second AOF team with former two was considered for XIV.
 * John Crawley
 * Jack Turner
 * Mickey Rogers

Comeback
Focuses on characters from the Fatal Fury series.
 * Duck King
 * Jubei Yamada
 * Rick Strowd

Ninja

 * Eiji Kisaragi (captain/leader for his experience in the series)
 * Kagetsura (Sengoku 3)
 * Sasuke (Ninja Master's)

Another World

 * Goddess Athena (replaces Nakoruru as a leader)
 * Kisarah Westfield (Aggressors of Dark Kombat)
 * Cyber Woo (King of the Monsters; down-sided with a moveset from Neo-Geo Battle Coliseum)

Metal Slug
Based on Ikari Warriors Team's officially revealed stage. A SV-001 tank bonus stage from The King of Fighters: Ma ximum Impact 2 also returns in this prediction.
 * Marco Rossi (uses his moveset from Neo-Geo Battle Coliseum)
 * Fio Germi (uses her moveset from KOF: Maximum Impact 2 and previous appeared as a striker/assist in The King of Fighters 2000)
 * Mars People (moveset is a combination of Neo-Geo Battle Coliseum and SNK vs Capcom: SVC Chaos; or Tarma Roving)

World Heroes

 * Hanzo Hattori
 * Kotaro Fuuma
 * Janne D'Arc (or Ryoko Izumo)

The Last Blade

 * Moriya Minakata
 * Lee Rekka
 * Kaede (or Akari; as Hibiki is a guest in Samurai Shodown (2019))

Savage Reign/Kizuna Encounter

 * Sho Hayate
 * Rosa (or Carol)
 * Kim Sue II

Burning Fight

 * Duke Edwards
 * Ryu Saeba
 * Billy King

Sub-Bosses (Non-Team)

 * Orochi
 * Igniz
 * Jyazu (Kizuna Encounter)
 * Shiro Tokisada Amakusa (Samurai Shodown)
 * Allen O'Neil (Metal Slug)

World Warriors (Street Fighter)

 * Ryu
 * Chun-Li
 * Guile

Iron Fist (Tekken)

 * Kazuya Mishima
 * Nina Williams
 * King

Virtua Fighter

 * Akira Yuki
 * Sarah Bryant
 * Pai Chan (or Kage-Maru)

Dead or Alive

 * Kasumi (or Ryu Hayabusa)
 * Rachel (or Ayane)
 * Marie Rose (or Nyotengu)

Fighting EX Layer

 * Skullomania
 * Shadowgeist (or Darun Mister/Garuda)
 * Sharon (or Blair Dame)

Guilty Gear
Considering a collab on KOF '98 UMOL last year and a fact that Baiken is possibly the guest character in Samurai Shodown (2019).
 * Sol Badguy
 * Ky Kiske
 * Jack'O Valentine (or Dizzy)

Double Dragon
All three fighters use some of their moves from the Neo-Geo fighting game (based on the infamous 1994 movie), despite having designs and techniques/weapons (for the Lee brothers on latter) from the games (specifically with the recent ones).
 * Billy Lee
 * Jimmy Lee
 * Marian Kelly (or Abobo)

Mobius (Sonic the Hedgehog)

 * Sonic the Hedgehog
 * Shadow the Hedgehog
 * Sally Acorn (appears in her Post-SGW Appearance)

Final Fantasy

 * Cloud Strife
 * Tifa Lockhart
 * Squall "Leon" Leonhart

Fighter's History

 * Karnov
 * Ray
 * Makoto Mizoguchi (previously appeared in KOF Maximum Impact Regulation "A")

Console-Exclusives (Non-Team)

 * Captain Falcon (Nintendo Switch)
 * Delsin Rowe (PlayStation 4/PlayStation 5)
 * Jago (Xbox One/Xbox Series X & S/Steam)