From Digimon Survive

Takuma is a natural leader and together with his partner Agumon, he will lead all his friends to safety in the bleak alternate world.

Takuma is a level-headed person who is able to make decisions. His partner, Agumon, is perfect for Takuma, stubborn and supportive of his actions while also being kind and helpful to the other characters.

He has a tendency not to refuse favors that are requested and often burdens himself until he collapses and even endangers himself.

From Digimon Adventure Tri

The original user of A Storm elemental power.
A cheerful and creative female mentor to her mentee.
Always teasing her mentee every moment.
Very generous and easy to get along with her mentees.
Kuputeri likes Hang Kasa but can't express it because he knows her friends Satriantar and Hang Kasa have feelings for each other.

Creative, Polite, Generous, Annoying, Easygoing 

A natural user of the Gamma elemental power.
Mentors who are smart and always think about the possibility also learn from mistakes.
A mentor who is always a loner but cares about his mentee's condition.
Sometimes always ambitious because of his old greedy nature.

Smart, Quiet, Thoughtful, Loner, Ambitious

From Digimon Next Order

Haruto is energetic and reckless and always does things without thinking, but despite his rash behavior, he is willing to risk anything to protect his friends. His motto is "I can't turn to anyone." he can adapt to any situation to turn the tide of battle. Haruto is strong and rough, and has a tendency to get into trouble as well as refusing to give up even when all seems lost, and his infectious confidence and determination is the reason his group calls Haruto their leader.

Blizzard's original use of elemental powers.
His A cool and calm mentor when making decisions and is far-sighted.
A mentor who is always independent with his mentee sometimes.
Sometimes has a lazy attitude to teach his mentee but will do it in the end.

Cold, Calm, Farsighted, Diligent, Independent

The original use of the elemental power of Rimba.
His a mentor who is calm and patient with his mentee is also a creative and innovative person with everything.
Always make sure the mentee is healthy and fit at all times.
A mentor who has faith in his mentee no matter what.

Friendly, Calm, Patient, Naive, Goofy sometimes 

Kaito was never part of the group that came on the field trip but was instead a local resident of the area. He is well versed in the area's topography, dangers and local myths, making him an invaluable asset to the team at large. In the beginning, he goes out of his village to find his sister Miu who has a wayward habit while exploring. He eventually meets Dracmon and they quickly become good friends with each other.

Original owner of Voltra's elemental powers.
A Female Mentor who is firm to her mentee and always expects more from her mentee
Always sneered at her Mentee with a cold look.
Also a fair leader.
Has feelings for Hang Kasa but he has to hide it because he is married and has a granddaughter.

Independent, Disciplined, Cold, Kritis, Sarcastic

The original user of Nova's elemental powers.
His is Mentor who is serious and competitive with his own mentee.
A hot-tempered mentor who doesn't like to give up.
He always gives encouragement and encouragement to the mentee because he is a mentor to his mentee.

Serious and focused, Dependable, Competitive.

Minoru is the lighthearted joker of the group who likes to keep the group atmosphere positive. While this is one of his better traits, it seems to keep him from taking things too seriously, especially when the group is in dire straits. His partner Falcomon is the perfect character to counter the carefree attitude by being a high moral Digimon who takes things seriously.

Miu is Kaito's younger sister and tends to get herself in trouble often. She is inquisitive and a free spirit, usually going wherever her legs take her. Her wandering nature has led to a lot of stress for Kaito who is terrified of the fact that she might be getting bullied by older children. Her nature of speaking in riddles also tends to complicate conversations in general. Her partner is Syakomon, who is often lost in his own world and it falls to Miu to keep him grounded.

The original use of Umbra's elemental power.
A female mentor who likes to insult and sneer at her mentee but in every word there is hidden advice behind it.
Always calls his mentee by cruel names and mocks and demeans his mentee but he cares for his mentee very much.
Cold and always silent also sometimes gives a disdainful smile to his mentee.
Also a proud person when teaching her mentee.

Arrogant, Cold, Insulting, Sarcastic, Cruel

Shuuji is the oldest member of the group and acts as an older brother type character in the story. Always prone to taking on more responsibility than he can handle, Shuuji can sometimes feel overwhelmed and eventually succumbs to it. Although a capable leader, the pressure of alternating world situations has caused him to crack several times. Shuuji feels like Lopmon's shyness makes him a liability and refuses to admit it.

Aoi is an older sister type character who watches over Minoru and Takuma. His sense of responsibility and determination keep him calm and alert in times of danger. He is gentle and wants everyone in the group to get along and with his background as a class representative, he will mediate most forms of conflict that may arise.Aoi has the perfect Digimon partner in Labramon because they share the same ideals. Despite his good nature, he can sometimes be unreliable when he is under extreme emotion

The first owner of the Crystal elemental power which is the third level of the second level of Earthquake and the first level of Earth.
A responsible Mentor.
A mentor who dares to act and reprimand his mentee if he is wrong and is good at giving advice through written and implied.
A stubborn person.
Hang Kasa has feelings for Satriantar but hides those feelings because he knows that Satriantar is married and already has grandchildren.

Supel,Liable,Integritas,Brave,Stubborn,Firm

A woman who is straightforward and has a sharp tongue and sarcastic remarks. Someone who doesn't like to be mocked and is stubborn. But when she realizes she is wrong, she will admit it but slowly. A woman who is sincere even with sarcasm from her.

Straightforward, Sharp with humor, Observant

Saki is a friendly girl who is often known as a straight shooter among her peers. Despite this, Saki always remains cheerful and optimistic and sometimes mature for her age, being the youngest of the group. Saki's warm nature and goodwill rub off on her partner Floramon, who is unabashedly loyal to her. Unlike other characters who fear the possibility of death that could happen at any moment, Saki's optimistic attitude makes him believe that everyone will get out of this situation okay.

Ryo is a troubled child and due to the circumstances of his background, he is generally in a bad mood. He refuses to co-operate with most other members of the group and stays as a shut-in in most situations. Despite his tough, bitter attitude, Ryo is cowardly and wants nothing to do with the current situation of him being in this alternate world.
Ryo is easily scared and that extends to his partner Digimon, Kunemon. He is terrified of Kunemon and wants nothing to do with him. 

The legendary former ace pilot, now the stern but deeply inspiring Captain of Super GUTS Mars.