Hunter x Hunter - The Chimera Ant Arc.

Vitan: A fast and taciturn fighter, cold and harsh.
Phoenix: A strong and relatively calm member, characterized by loyalty to the gang.
Shalnark: Relatively intelligent and cheerful, he uses his abilities in strategic ways.
Shizuko: Quiet and eccentric, with a sometimes unreliable memory.
Franklin: Huge, calm, and composed compared to some of the gang members.
Machi: observant and quiet, with a clear loyalty to the gang.
Nobunaga: A swordsman loyal to the gang, and affectionate towards his comrades.
Bonolinoff, Cortobi: Other members of the gang, each with a different personality, abilities and role.
Other characters from Meteor City, criminals, and hunters appear as the story unfolds.

The Chimera Ant Queen: the source of the colony's and king's birth, her primary role ended with the birth of Meruem.
Colto: A small ant that retains memories of its human life and is loyal to the queen.
Leon: A haughty ant who loves to show off his strength.
Zighara: A fierce fighting ant.
Welfin: A clever and cautious ant, who retains a part of her old human personality.
Ikalgo: A sniper ant, relatively shy and loyal to those he trusts, and possesses clear human emotions.
Bovav: A haughty and powerful ant, associated with the events of the colony.
Plato: An ant associated with the events of Whale Island and the evolution of Gon.
Millioron: An ant who was human in her previous life, intelligent and cautious, and begins to help humans against the colony.
Brochi, Leol, Hina, Shizuku, Jito, Hagia, Begi, Yango, Montuobi, Chito and others: The ants differ in memories, personalities and loyalties; some retain their human qualities and some fully embrace their new nature.

Meruem: The new king of the Chimera Ants, born at the beginning of the bots. Exceptionally intelligent, arrogant, determined, and sees himself as superior to all other beings. His personality gradually develops as the events unfold.
Neferbetou "Petov": A member of the royal guard, absolutely loyal to the king, curious about humans and abilities, and sometimes acts with strange spontaneity.
Shayabov: A fiercely loyal royal guard, cultured, sensitive, and full of extreme emotions, especially when it comes to the king.
Menthothiopi: A strong and disciplined royal guard, practical and relatively calm, who focuses on protecting the king and carrying out his orders.
Komugi: A poor and physically weak human girl, a genius at the game of Gungi. Her future impact on Meruem is unknown.

Isaac Netero: The head of the Hunters Association, a cheerful-looking old man but a fearsome fighter, who bears the responsibility of confronting the king.
Morel: A strong, wise, and experienced sea hunter, and an important leader in the extermination operation.
Nof: A clever and calm hunter, adept at planning and creating corridors and private spaces, but the pressure of the mission affects him severely.
Nuckle: Murrell's disciple, kind, emotional and stubborn, he even sympathizes with his adversaries.
Shot: Shy and quiet, but brave and loyal to his team.
Knuckle: Frank, impulsive, and emotional; he pretends to be cruel but is very compassionate.
Palm: Sharp-tempered and loyal, she participates in the process despite its risks.
Mezestom: A hunter with an analytical mind and abilities related to investigation and control.
Bushidora, the former Kaito, and other hunters: There are other characters associated with the Hunter Association and the events of the operation, and they appear according to the course of events.

Gon Freecss: A brave, stubborn, and usually optimistic young hunter who loves adventure and trusts his friends. After Kite's death, he becomes even angrier and more determined, refusing to accept his loss.
Killua Zoldyck: A former assassin from the Zoldyck family, intelligent, fast, and relatively calm, but fiercely loyal to Gon. He constantly monitors Gon's mental state and tries to prevent him from destroying himself.
Kaito: A hunter and former student of Ging, he was Gon and Killua's teacher at the beginning of the arc. He died at the start of the Bot, and his death is a key factor in Gon's psychological state.
Ging Freecss: Gon's father, a legendary and mysterious hunter, with a free spirit and unpredictable actions.