Zoey

Marie

Ignacio

Galen

Ollie

Tala

Quinn

Bodie

Teacher

British

Vampire Bodyguard

Francis

Woman

Bodyguard

The Narrator

African lady

Soft Bubbly

Southern

Robot

Hailey

French

Hood

Indian Girl Accent

A French Girl

Male Russian Accent

Irish

Arachnid Darkner with silver hair and claws, and violet eyes; freedom-seeker.  she/her. 
 Housekeeper of Rook Radio; lives in a ruined manor haunted by memories of Lightners and Darkners.  Owns a giant spider named "Cuppy"; mounts her in battle.  Light World counterpart: old VHS.  Wears a simple black and white dress, dark grey high-heeled boots, and two reels as a hair ribbon, plus a white-gold tiara.  Lonely; tries to be nice.  Wields a trident in combat; dangerous.  Uses the Purple SOUL mode.

Deltarune fan secret boss by Bob TC; femme fatale.

Champion of Johto.  Young adult.  she/they.  Bronze hair which she wears in space buns (think Jolyne Cujoh or Princess Leia) and catlike rose-bronze eyes with long lashes.  Doesn't care too much about fashion, but often hides her body behind long cloaks and shawls due to being ashamed of her body.  Pure, kind, and understanding, but stoic and quiet.  Father is dead, mother abandoned her, raised by Celebi ("Mom").  Trust issues, highly observant.  Red is her older cousin and most trusted ally.

From Pokemon. Formal, quiet, lonely, kind, stern.

Avian Darkner with long black feather-hair and purple eyes; freedom-seeker and seamstress.  she/they.  Highly knowledgeable to the point of being labelled crazy.  Light World counterpart: sewing machine.  Seems cold and blunt, but cares a great deal.  Often takes long walks in the woods and sings a creepy tune.  Floats; no limbs.  Secretly likes ironic movies.  Wears a phantom mask that covers half her face, a chequered purple suit/cloak, and one floating white glove.  Uses the Purple SOUL mode.

Deltarune fan secret boss by RV Pine, bird lady.

Giant cat Darkner.  Seeker of death, NOT freedom.  he/him.  Fluffy, touch-starved, shy, fragile.  Mute, only certain Lightners can hear him.  Has severe depression and PTSD.  Unable to bear with the truth of his own life and lack of freedom that the Shadow Crystal revealed to him, he drowned himself, turning him into a Goner.  Two-toned, was once sepia but turned black and white post-drowning; wears a sailor's uniform that matches his fur.  Uses the Switch SOUL mode.

Deltarune fan secret boss by BlueLonerWolf; Goner.

Humanoid black-and-white Darkner vaguely resembling Chara; freedom-seeker and abandoned musician.  she/her.  Light World counterpart: piano.  Quiet, calm, and assertive on the surface, but deeply afraid of being forgotten.  Mostly pushes people away, but becomes heavily attached if she feels she can truly trust them.  Desires a human SOUL to be remembered; holds no real malice.  Wears a black dress with a striped long-sleeve top under, plus a white ribbon in her hair.  Uses the Purple SOUL mode.

Deltarune fan secret boss by Neko Tape; lost girl.

8-letter ancestral name: the Ironsage.
Humanoid green Darkner bug with black antennae and red eyes, 6 black arms, and a green head; freedom-seeker and monster slayer.  He/it.  Floats due to leglessness.  Wields a variety of weapons, such as spears, daggers, and his signature scimitar.  Light World counterpart: talisman.  Has protective green carapace on his torso and forearms; jade elytra; rust-coloured gloves and scarf; and a red talisman over a torn black kilt.
(PAST SETTING.  NOT WEIRD ROUTE)

Deltarune fan (ancestral) secret boss by Glazko.

Ex-merchant, one of 8 Paperfolk in a treasure hunt led by Folde.  she/her.  Typically laid-back and caring, but has a dangerous streak which turns up when angered or greatly protective of someone.  Struggles with PTSD and AVPD, but consistently supported by her allies.  Dark purple skin and hair, lilac eyes.  Wears snow goggles, a lilac coat, and black pants and boots.  Wields climbing hooks like dual sickles.  Light World counterpart: purple craft paper.  Age 15.  Flushed crush on Folde.

chill, vengeful, protective, paper Darkner

Blue-raspberry gum Darkner with a transparent balloon head and scribbled face; freedom-seeker and astronaut.  they/he with strong preference to the former.  Feels like they've been everywhere and wants desperately to explore new places, such as outer space.  Light World counterpart: old gum.  Has the entire layout of Hometown and all its Dark Worlds memorised.  Wears a spacesuit with the Delta Rune and Starman symbols on its front.  Powerful but fragile.  Uses the Blue SOUL mode.  Knows Sans.

Deltarune fan secret boss by HogRidah; rising gum.

Humanoid Darkner with (literal) porcelain skin, fluffy pink hair resembling petals, and innocent black eyes that glow red when pissed; freedom-seeker.  Any pronouns, prefers he/him.  Once an honourable rogue alongside Mike, developed a more bellicose edge after stumbling into the Twinrooms and discovering "there's nothing to fight for anymore".  Light World counterpart: paladin figure.  Wears a mint-coloured sweater plus black tights and thigh-high boots.  Jade blood.  Uses the Green SOUL mode.

Deltarune fan secret boss by RT Oak; jade warlord.

(changed quirk, doesn't render)
Blue bunny Darkner made of static (most visible on ears and limbs); freedom-seeker and disgraced advertiser.  he/it.  Trauma from being replaced and losing fans has made him selfish and unforgiving, though he tries to maintain a cheerful front to gather what relevance he can.  Light World counterpart: canned TV ads.  Wears a red cap, an old red crop top, undersized two-tone jeans (one leg black, other blue), and gold rollerblades.  Uses the Orange SOUL mode.

Deltarune fan secret boss by h00ligan; ICE-E guy.

Mutant crimsonblood troll.  Partial control over narrative, but unless it benefits those he cares for, doesn't like using it.  Still has a short temper, but cares deeply about his friends; going Ult helped him not hate himself as much.  A master diplomat.  Wears a thorn tiara, an eyepatch, sleeveless turtleneck with Blood symbol, fingerless gloves, a chain belt, shawl, tights, and combat boots.  Despises Ultimate Dirk.  Wields a blood sickle.  Knight of Blood.  Boyfriend to Dave Strider.

My take on Ult Karkat | grumpy, caring, rebellious

Robotic Darkner with one moving eye and rust over her surface; freedom-seeker.  she/her.  Light World counterpart: self-checkout station.  Found her Shadow Crystal early into her abandonment and attempted suicide, but ended up turning into a half-drone, which shut down her memories.  Eventually recovers them and goes on a rampage.  Irritable; sees Sans as her kismesis: hates for abandoning her, but also some grudging admiration, developing similar powers to his.  Uses the Blue SOUL mode.

Deltarune fan secret boss by CreepaBot; psionic.

Amorphous Darkner with sheets of long white hair she uses as tendrils/hands; freedom-seeker and failed experiment.  she/her.  Splintered from Gaster; feels a twisted sense of loyalty towards him.  Light World counterpart: seahorse corpse washed up in the bunker.  Cryptic, aloof, motherly.  Rules the deep waters of her Dark World.  Wears a long black dress/cloak with "VI" emblazoned in silver on the side.  Extremely dangerous when angry.  Almost never shows her face.  Uses the Blue SOUL mode.

Deltarune fan secret boss by RV Pine; [REDACTED].

Metallic Darkner with 7 unblinking eyes and a Glasgow grin; freedom-seeker and "serial bringer of freedom".  he/it.  Doesn't think of himself as malicious because in his eyes, true freedom is death.  Sadistic, remorseless, violent.  Light World counterpart: knife.  Hair, "skin", and claws are all reflective, detachable, regenerative, and function as blades.  Wears a long green robe, black spiked choker and combat boots, and purple cape.  Uses the Green SOUL mode.

Deltarune fan secret boss by Glazko; killer.

Lone street pianist by day, swordsman by night.  he/him.  Tends to act like a douche out of bitterness for the world that tore apart his family and discredited him.  Often flirts to get his way. Violet eyes and hair, crimson skin, sharp teeth and elven ears.  Wears a crimson undershirt, and black suit jacket, slacks, hat, and heels.  Wields a thorn rapier powered by a Shadow Crystal.  Light World counterpart: rose.  Age is secret (looks about 30ish by Lightner standards?).  "Darkner Scottish"?

haughty, charismatic, prickly, rose Darkner

(credit to Glazko)

Ink Darkner wrapped in paper; freedom-seeker nicknamed "ink corsair".  he/him.  Likes going on adventures/finding treasure rather than staying with the rest of his family, but wants to make them proud, as they rejected him after the Shadow Crystal's forbidden knowledge made him dive into the Ink Ocean and corrupted him.  Terrified at the idea of being abandoned again.  Good at harmonica, bad at swimming.  Light World counterpart: old ink drawing.  Age 14.

🏴‍☠️ | Corsair longing for treasures unreachable.

(credit to Emihead)

Humanoid red Darkner blob with white eyes; freedom-seeker and outlaw.  they/she with strong preference to the former.  Desires a human SOUL to take their "rightful place" as a hero.  Wields their namesake blade.  Light World counterpart: knife.  Age falls around 17-19.  Prideful, mischievous, manipulative; has C-PTSD.  Wears a white tunic with a binder underneath, black jeans and cape, and silver combat boots.  Beautiful singing voice.  Uses the Purple SOUL mode.

🗡 | A Dark Star whose sinister gleam outshines.

(Credit to Glazko)

Humanoid green Darkner bug with red antennae and eyes, black limbs, and green head; descendent of freedom-seekers.  They/he.  Steals from the Emperor's army to help the suffering villagers.  Wields a scimitar.  Light World counterpart: talisman.  Early 20s?  Has protective green carapace on his torso and forearms; vestigial elytra; rust-coloured gloves, mask, and shoes; and wears his red talisman around his waist as a sign of rebellion.  Can spew acid if threatened.

🐉 | The Sha clan's last disgraced Rogue.

(credit to Kittblush)

Ghostlike Darkner made of porcelain, with long lavender hair and a rose growing out of her cracked eye; freedom-seeker.  she/her.  Overprotective; commands an army of rabbit Darkners simply called "minions".  Light World counterpart: bouquet of roses.  Obtained a Shadow Crystal to keep her alive after nearly dying in an assault.  Wears a long lavender dress and sunhat, fights with a parasol spear.  Uses the Purple SOUL Mode.  Strong enough to contain Titan energy.

💐 | The Garden's crazed auxiliatrix knows best...

(credit to Glazko)

Vampire spider Darkner.  Seeker of justice, NOT freedom.  he/it.  One day helped and befriended a lost man, Tesley, who turned out to be a wealthy ruler, and was rewarded with vast riches.  When Tenek planned to use his new wealth to build a theme park everyone could enjoy, Tesley disapproved of him catering to the "undeserving poor" and threatened to deprive him of his wealth, while Tenek kept fighting to maintain his business.  Light World counterpart: cobwebs.

🕸️ | Resplendent webs and a heart of diamond.

(credit to AuraPhotonReality and Fritz_404)

Blue humanoid Darkner with inky streaks; freedom-seeker and engineer.  he/him.  Light World counterpart: city blueprint.  Generally appears professional and has confusing morals but is kind and well-intentioned.  Wears a long blue lab coat that also resembles wizards' robes.  His deep grief for the Lightners' suffering motivated him to create a false paradise where no one has to suffer anymore.  Has a pet mechanical axolotl.

📐 | Archived foundation for a life in suffering.

(credit to HUECYCLES)

Lightner-Darkner hybrid (frail Lightner body "shell" kept alive with a Darkner/artificial SOUL) with grey skin, auburn hair, and lilac eyes; freedom-seeker and labhand to Beholder.  they/them.  Considered beautiful to Darkners.  Wants to help the Lightners, but is envious of them for having "real" SOULs.  Looks 18ish?  Impulsive, stoic, can randomly snap if pushed.  Wears a grey sweater, black jeans, and a gauzepad (their namesake) that carries a dormant Cyan SOUL.