Sasuke, Aki and Megumi

Sasuke Uchiha
He is a man.
Personality:

Serious, reserved, intelligent.

He has a strong desire for revenge and a very strong sense of duty.

Emotionally cold, but deeply loyal when he connects with someone.

Physical characteristics:

Black hair, fair skin, Sharingan and Rinnegan eyes.

Slender, but athletic build.

Medium-tall height.

Skills:

Dōjutsu: Sharingan and Rinnegan.

Ninjutsu: Fire Style (Katon), Chidori and its variants (Raiton).

Kenjutsu: Excellent swordsman.

Genjutsu: Very competent.

Taijutsu: Agile and skillful.

Rinnegan Mode: Allows teleportation and the use of Six Paths techniques.

Susano'o: Giant chakra manifestation for defense and attack.

Naruto Uzumaki
He is a man.
Personality:

Cheerful, impulsive, stubborn, with a big heart.

Loyal, brave, always seeks to protect his friends.

Physical characteristics:

Blonde hair, blue eyes, marks on the cheeks (like whiskers).

Athletic build, medium-tall height.

Wear colorful clothing (orange, black).

Skills:

Sage Mode (Sennin): Increases strength, perception, and endurance.

Kurama Mode: Complete control of the Nine-Tailed Fox's chakra.

Rasengan and variations: Iconic technique.

Shadow clones: You can create thousands with your chakra.

Powerful Ninjutsu: Multi-elemental (especially Futon - wind).

High resistance and regeneration.

Sakura Haruno
She is a woman.
Personality:

Intelligent, determined, and emotionally strong.

Insecure at the beginning, but with great personal growth.

Empathetic, but with a strong temperament.

Physical characteristics:

Pink hair, green eyes.

Slender and athletic build.

Wear red combat or medical clothing.

Skills:

Superhuman strength: Thanks to precise chakra control.

Medical Ninjutsu: Advanced healing and combat surgery.

Hundred Strength Seal (Byakugō): Releases large amounts of chakra for automatic regeneration.

Great chakra resistance and control.

Powerful Taijutsu: Devastating blows.

Aki Hayakawa
He is a man.
Personality:

Serious, mature, and focused.

He has a strong sense of justice and duty.

Although he seems cold, he cares deeply about his colleagues.

Reserved with his emotions, but protective.

Physical characteristics:

Black hair, styled in a samurai bun.

Dark eyes, fair skin.

Tall, with a slender but athletic build.

He always wears a black suit with a tie, well-presented.

He has a cigar as a recurring element in his image.

Skills:

Fox Demon Contract: Can summon a gigantic fox head that devours enemies.

Contract with the Demon of the Curse: Uses a special sword that "curses" the enemy with death after several blows (in exchange for its own life).

Contract with the Demon of the Future: Allows you to see a few seconds into the future, giving you a tactical advantage.

Swordsmanship and hand-to-hand combat skills.

Excellent strategic sense.

Denji (Chainsaw Man)
He is a man.
Personality:

Simple, impulsive, innocent, and immature at the beginning.

Highly motivated by basic desires: food, sex, and affection.

Despite his roughness, he has a very human and empathetic side.

He/She evolves a lot emotionally over time.

Physical characteristics:

Blonde, tousled hair, brown eyes.

Slender build, shorter than Aki but muscular from his hard life.

In demonic form: chainsaws emerge from his head and arms, with his chest covered in a crank and metal.

Dress simply: white shirt and trousers.

Skills:

Transformation in Chainsaw Man: Chainsaws sprout from his head and arms.

Regeneration: By drinking blood, one can recover even from mortal wounds.

Brutal and savage combat: It follows no rules, fighting with pure determination.

Increased speed and strength, demonically so.

Limited Immortality: He can survive many deaths thanks to his contract with Pochita.

Power (Blood Devil / Blood Fiend)
She is a woman.
Personality:

Crazy, narcissistic, childish, and chaotic.

He likes to lie, boast, and play pranks.

Loyal to Denji and Aki at heart, although he hides it.

She loves her cat "Meowy" madly.

Physical characteristics:

Dirty blonde hair, long and slightly disheveled.

Reddish eyes with crossed pupils.

Red horns protruding from its head (in the shape of a demon).

Tall and thin, but toned.

He usually wears casual clothes, but at the office he wears a white shirt and trousers.

Skills:

Blood Manipulation: You can create weapons with your blood or control the blood of others.

Regeneration by drinking blood.

Increased physical strength.

Demonic transformation: Stronger and more savage in demon form.

High resistance.

Unpredictable in combat (which sometimes works to his advantage).

Megumi Fushiguro
He is a man.
Personality:

Serious, calm, and reserved.

He has a strong sense of justice, but he's colder than Yuji.

He tends to carry the burden alone, although he highly values his colleagues.

He believes that the people he considers good deserve to be saved regardless of what they have done.

Physical characteristics:

Black hair, spiky and messy.

Dark blue eyes.

Fair complexion.

Slender and athletic build.

Medium-tall height.

He usually wears his high-necked jujutsu uniform or simple black clothing.

Always alert posture and serious expression.

Skills:

Ten Shadows Technique: Summons shikigami (creatures) such as Nue (an electric bird), Divine Dogs, Toad, Elephant, etc.

Hand-to-hand combat: It's agile and tactical.

Great control of cursed energy.

You can fuse shikigami and develop new forms.

At its limit, it can invoke the domain "Garden of Chimeric Shadows".

He has immense potential (even Sukuna is interested in him).

Yuji Itadori
He is a man.
Personality:

Kind, impulsive, brave, and very empathetic.

He has a strong desire to prevent unnecessary deaths.

He tends to make friends quickly, even with enemies.

Despite his humor and energy, he carries a lot of inner pain.

Physical characteristics:

Light pink hair (almost blonde in the manga), short and messy.

Dark brown eyes.

Fair complexion.

Athletic and muscular build, even without prior training.

Shorter than Megumi, but very physically strong.

He wears a modified jujutsu uniform with a red hood and dark pants.

Relaxed posture, expressive and very physical.

Skills:

Superhuman strength, speed, and reflexes.

High pain tolerance and great adaptability.

It houses Sukuna, the King of Curses, making it almost immortal (as long as Sukuna wishes).

Learn techniques like Black Flash, which amplifies your strikes using cursed energy in a perfect fraction of a second.

He doesn't possess any cursed techniques of his own (for now), but he compensates with instinct and brute force.

Nobara Kugisaki
She is a woman.
Personality:

Strong, proud, direct, and a little aggressive.

She has a great deal of self-respect and hates being underestimated because she is a woman.

Very loyal to his friends.

Explosive character, but also very sensitive and determined.

Physical characteristics:

Light brown hair, short and styled to one side.

Dark brown or reddish eyes.

Fair skin.

Of short to medium height, slender but sturdy build.

She wears a navy blue skirt and jacket (jujutsu uniform), with black stockings.

He always carries his hammer, nails, and dolls with him.

Aesthetic style; concerned with appearance.

Skills:

Resonance Technique: Uses nails imbued with cursed energy to attack the enemy and inflict damage from a distance.

Voodoo Doll Technique: Use hair or objects belonging to the enemy to indirectly harm them.

Black Flash: He also managed to activate it, which is very rare.

Its cursed energy is stable and has a high destructive potential.

Despite appearing fragile, her willpower and determination are brutal.