RECAP OF PAST ARCS (spoilers for those who haven't read; scroll down lower to find character lists)

SECTOR MG - Introducing Wendy Marvell's sector and their backgrounds, revealing Hat Kid as the Princess of Mushroom Kingdom.

NEWBIE'S QUEST - Introducing Sector Q as Miko Kubota transfers to their team; events of this arc will come back into play during Aincrad Arc)

HORRORVERSE - Nolan York's final mission, introducing Newborn of Fear.

PIRATE WARS - A great war between the KND and Four Emperors. Some pirates became allies in the end, most didn't, and several KND ops died.

COMMON ABILITIES AND POWERS

These are all abilities that were established in other stories.

ELEMENT BENDING - Some people are born with the power to control an element, given to them by the element's god. There are a variety of elements and sub-forms, such as Water, Earth, Bones, Shadow, Time, Space, Darkness, Soul, etc..

MAGIC - Some people are born with magic, wherein they can cast a variety of spells through magic wands, from basic element attacks, Transfiguration, curses, or more complex moves.

DEVIL FRUITS - Created by Dr. Caesar Clown, made from Bang Gas, these fruits grant people special mutations or powers. Paramecia Fruits give them a genetic power; Zoan Fruits let them become an animal; Logia Fruits turn them into a half-tangible element, Nen Fruits give them a magic-like power with unique rules.

HAKI - A martial art where people can enhance their natural strength or awareness.

ROKUSHIKI - Assassin martial art where users can use various superhuman abilities.

NEXTGEN SECTORS

This Wikia page features a list of each Nextgen Kid and sector, with links to pages on each kid, so you can see how they look. https://kidsnextdoorfanfiction.fandom.com/wiki/Nextgen_Kids_Next_Door?so=search

Below is an immediate list of all relevant Nextgen Kids.

KND MOONBASE

Cheren Uno - Supreme KND Leader, descendant of Link the Hero of Time and holder of the Master Sword

Panini Drilovsky - Vice-leader, Cheren's girlfriend, Firebender, Irish accent

Francis Drilovsky - Leader of Moonbase Guard

Maddy Murphy - Haki Master, one of the strongest operatives

Zach Murphy - Fights with Bo-bobo Kempo, able to break reality and fight foes with wacky shenanigans

Sunni Chariton - Psychicbender, can summon Imaginary Friends; currently on leave after war

Darcy Chariton - Psychicbender, but mostly relies on Nature Style martial arts; died in war

Galactic KND

Nebula - High Supreme Leader, Spacebender, dark skin, monochrome hair

Jerome - Nebula's brother, monochrome skin and hair, Spacebender, Jamaican accent

Arianna Dunfree - Harnitan (purple skin, green hair), Plantbender

Tronta Dunfree - Green skin, violet hair, blind, uses Light Discs to fight

Vweeb - Kateenian (inch tall alien), white skin, wields gun and shrink ray, moderate super strength

Makava - Glomourian (yellow skin), Swordsgirl, Vweeb's sister

Bender (Futurama) - Robot with extendable limbs, wise-cracking and egotistic personality, joins the KND in NECSUS (Eve of Apocalypse story).

SECTOR V

Sheila Frantic - Expeditionist, lightbender, Australian accent, Faunus raccoon

Aurora Uno - Leader, Fire/Icebender

Chris Uno - Vice-leader, Firebender, inheritor of Demon King Malladus' soul

Mason Dimalanta - Poisonbender who uses soda for power-ups

Haruka Dimalanta - Nurse who uses poisonbending to heal people and craft drugs

Dillon York - Shadowbender, son of vigilante hero, Sandman

*Nolan York - Former operative, donning the title of vigilante hero, Sandman; died in Horrorverse, but joins the Spirit KND in Spiritverse

Harry, Artie, and Haylee Gilligan - Technology Trio, though Harry specializes in rap

Kirie Beatles - Ghost Whisperer, only speaks in sign language

Vanellope von Schweetz - Hacker, Computer Program brought to life, adopted sister of Dillon

SECTOR W - West Virginia

Anthony McKenzie - Leader, Earthbender

Fybi Fulbright - Airbender, archer and pilot, Nimbi race, Irish and Shakespearean accent

Sally and Harvey Harper - Yo-yo Specialists; Harvey is an emotionbender; Sally died in the Pirate War, and Harvey quit the team out of anger

Aranea Fulbright - Spy, knows Observation Haki; left the team after Pirate War

SECTOR IC - Iceland

George and MaKayla King - Timebenders; MaKayla wields Chrono Staff and controls the Great Clock

Miyuki Crystal - Timebender, able to see the history of targets

Suki Crystal - Logia Icebender

Lola and Terry Stork - Spies; Terry's a shadowbender and Lola's a Spank-Happy Vampire

SECTOR L - Los Angeles

Melody Jackson - News Anchorwoman, Waterbender, granddaughter of Sea God Kyogre, distraught over her brother's death

Yuta Asahina - Anchorman, Waterbender, Adabatian race, joins after Pirate War

Eric Horvitz - Melody's scrawny, nerdy assistant, complete weakling

Emily Garley (ally) - Scientist, metalbender, egotistic, large square glasses

SECTOR Q - Quahog, Rhode Island (fully debut in A Newbie's Quest)

Drake Puncture - Leader, harpoon hand; died in war

Quill Ramsey - Vice-leader, racer, uses Elementor guns

Eddy Flores - Gamer, hacker, nearsighted

E. Carmine - Pyrotechnic, confined to a contamination suit after an accident

Jenny Strongarm - Roller-skater, tomboy

Miko Kubota (Glitch Techs) - Gamer, violet hair, Japanese-Corusanti, transferred from Sector Hibobi

SECTOR W7 - Water 7 (all but Aeincha are One Piece crossovers)

Chimney - Leader and pilot, Fishman Karate, drives ROCKET-TRAIN

Aeincha - Lilliputian (3 inch human), Stylist

Aisa - Shandian (flightless Nimbi), Hunter, uses Observation Haki

Apis - Arceus worshipper, Animal Telepath

April Goldenweek - Artist, uses hypnotic paint

Mocha - Amazon Giant, powerful fighter, knows Armament Haki

Madotsuki (Yume Nikki) - "Secret Teammate," Bubble Dreamer, protagonist of "Dreamverse"

SECTOR JP - Japan (all Bleach crossovers, but Kodama's One Piece)

Karin Kurosaki - Leader, Soccer player, can become a ghost to fight evil spirits

Yuzu Kurosaki - Chef, has a split personality who's skilled at fighting, wields energy arrows, secondary protag of "Gourmet Hunt"

Jinta Hanakari - Baseballer, knows Armament

Ururu Tsumugiya - Spy, uses Tiny Devil to change sizes and fly

Kodama - Pyrotechnic, uses fireworks to battle

Megumi Tadokoro (Food Wars) - New apprentice, Chef, Ping-Pong Player, blue hair, gold eyes

SECTOR SA

Nagisa Shiota (Assassin Classroom) - Leader, Japanese, pacifist assassin, uses Rokushiki

Morgiana (Magi) - Kickboxer, Fanalis race

Goombella (Paper Mario) - Goomba race, can Tattle enemy Power Levels

Index (Magical Index) - Arceist nun, Lightbender, Keeper of the Universe Book, targeted by all villain groups for her position

Killua Zoldyck (Hunter Hunter) - Sheikah assassin from Hyrule, Yo-yo Specialist, knows Rokushiki and basic Haki

SECTOR MG

Wendy Marvell (Fairy Tail) - Mage and Airbender, very fast, blue hair

Romeo Conbolt (FT) - Wandless Mage, Rainbow Firebender, bare-chested vest, purple hair

Kiki Yamaka (Studio Ghibli) - Delivery Witch, fights with Package Bombs, weak base magic

Oliver Orson (Ni no Kuni) - Mage, specializes Light Spells

Philip Blakely (Ni no Kuni) - Non-mage, Tech Officer, Oliver's best friend

Hat Kid (A Hat in Time) - Girl from Mushroom Kingdom, strong jumps, her hat can possess targets

SECTOR $

Carol Masterson (One Piece) - Computer Expert, former Sector V Cadet, blonde hair in puffed braids

Ciel Phantomhive (Black Butler) - Spy, eyepatch, British, always with his butler, Sebastian, who is a skilled martial artist, owner of Funtomhive Toys

Weiss Schnee (RWBY) - Snow-white hair and dress, Icebender, Fencer, German, daughter of Corporate President Jacques

Pacifica Northwest (Gravity Falls) - Fights with energy chains

Prince Raleigh (Pokémon) - Prince of Azoth, Pokémon Trainer, Tech Officer

Kokichi Oma (Danganronpa) - Gambler, Darkbender, Dice-Dice Fruit, Bo-bobo Kempo; joins after Pirate War

OTHER ALLIES

Rupert Dickson - Human member of Minish KND; after shrinking to Minish size, he learned the ways of Pikmin and became a famous Pikmineer

Kimaya Heartly - Gangster girl, Poisonbender, Keyblade wielder, formerly worked for the Boogey Pirates, along with Django Diaz

Death the Kid - Leader of the Spirit KND, King of the Underworld, son of the Grim Reaper

HOPE PIRATES - Team of renegade, now-reformed kids who befriended Free God Skaios and formed the now-defunct Sky God Pirates. Members are Masaru Daimon, Jataro Kemuri, Kotoko Utsugi, and Nagisa Shingetsu.

MARZIPAN PIRATES

Augustus Fizzuras - Captain, Candy Hunter

Stewie, Rallo, and Maggie (Fox cartoons) - Deadly Baby Trio

Nel (Bleach) - Spirit of a Neanderthal girl

O-Tama (One Piece) - Young ninja from Historia

VILLAINS

NEWBORN - Childlike deities who were born in this New Universe with varying origins and dangerous powers. Known Newborn are Victini (Victory Spirit), Hoopa (History Spirit), Marshadow (Nightmare Spirit), Skaios (Sky Spirit, former Pirate Emperor), and Gourmerry (Food Spirit, born at climax of Pirate War).

TEAM GNAA - Army of dangerous warlords who seek to harness the powers of the Newborn and conquer the universe. Members are King Bowser (Mario, leader), Negatar Gnaa (founder, former leader), Dr. Eggman (Sonic), Majora (Zelda), Gruntilda (Banjo-Kazooie), and King K. Rool (Donkey Kong; died in Pirate War)

CP0 - Team of assassins who aim to kill the gods. Known members are Rob Lucci, Deathstroke, Deadpool, Chase Young, and Mandy Beret; apprentices are Killua & Kalluto Zoldyck, Maki Harukawa, and Fie

CORPORATE PRESIDENTS - Group of businessmen with high political authority; members are Mickey Mouse (Disney Land), Big Bird (Intergalactic News), Jacques Schnee, Doflamingo Jr. (circus troupe leader), Mom (robot manufacturer), and Kayaba (Hinobi game developer)