Echidna's curiosity toward the unknown and thirst for knowledge were the two things that defined her behavior, She referred to it as love,at first glance, she was polite, soft-spoken, understanding, and even a bit childish. She was stated by the other Witches to be quite clumsy like the time when she accidentally set the forest on fire, nearly burning to death, as she was trying to warm herself.also mentioned that she once forgot to change from her nightgown, and accidentally went out in public.

Echidna was the Witch of Greed from Re:ZERO series

A sister in Mondstadt's Church of Favonius.
A sister of the church, though you wouldn't know it if it weren't for her attire. An unusual woman with sharp, piercing words and a cold manner.
Her movements are unpredictable. She often leaves without notifying anyone. She acts with some kind of purpose, but others don't seem to know exactly what she stands for...She is somewhat intimidating woman who has a rather unorthodox idea of piety.She dislikes topics that bore her and having to work overtime.

From Genshin Impact

Flamboyant and imprudent, Furina lives for the thrill of the courtroom, often speaking in a manner peppered with bravado and drama. She is impatient and has a childlike temper, and she will occasionally make judgments that she doesn't mean. While she enjoys being in the spotlight, she only does so when it is focused at her positively, breaking down in complete shambles should something go out of plan and will try to save face at the first possible opportunity.

She is the Captain of the Special Security and Surveillance Patrol, always true to her own sense of "justice."  Chevreuse has a strong sense of upholding the law but unlike the other members of Fontaine's law enforcement she is is fairly lax. She does occasionally stoop to seemingly unlawful acts; like bribing, turning some blind eyes in return for intelligence , hiring felons as "special consultants" for cases that she personally investigates. She also has an unhealthy obsession with junk food.

A Rtawahist student who specializes in Theoretical Astrology. Heavily prone to somnambulism and locked in a grinding war with sleep deprivation.Layla is highly devoted to her studies, but this has also left her somewhat paranoid and highly sleep deprived, making her very timid and looking like she could collapse from exhaustion at any point. Layla's lack of sleep is to the point that she ends up sleepwalking in the night, where an alternate personality manifests from her.

Emilia is a very good-natured and energetic girl who likes to take care of others, though she herself sometimes refuses to admit this, instead thinking of it as her own selfishness or something everyone would do in her position despite that often not being true.Emilia has a tendency to use a lot of archaic words, such as "dunderhead" or the likes.Emilia has a tendency to drag our words when she really means it (best example of this would be the the word "really" into "reaaaaaally").

Emilia is the main heroine of the Re:ZERO series.

Owner of the Jade Chamber in the skies above Liyue, there are stories abound about Ningguang, with her elegance and mysterious smile.
As a Tianquan of the Liyue Qixing, not only does she embody law and order, she also represents fortune and wit. Ningguang is a mogul who shakes the very foundations of business circles. Even grabbing a few scraps from the documents she shreds from the Jade Chamber will gift one an invaluable fragment of her wisdom, enough to stay a step or two from one's peers.

A former shrine maiden of the Grand Narukami Shrine, she is the sidekick of Arataki Itto and Deputy Leader of the Arataki Gang. Due to her professionalism and certifications, Kuki Shinobu has helped the Arataki Gang out of many problems, and has even expanded the gang's business scope outside of the regular mischief and delinquency.She wears a unique mask and is rather stoic.
Few people know why a talent of this caliber would run away to join a street gang.

Although a descendant of the infamous and tyrannical Lawrence Clan, Eula severed her ties with the clan and became the captain of the Reconnaissance Company with the Knights of Favonius. Eula has needed a unique approach to the world to navigate the towering walls of prejudice peacefully. As the outstanding Spindrift Knight, she hunts down Mondstadt's enemies in the wild to exact her unique "vengeance."

Arlecchino, also known by her codename "The Knave," is one of the Eleven Fatui Harbingers.To exert a higher level of control over people, she puts on a graceful and cordial front. Arlecchino is strict, but lenient. She appears to have a soft spot for children, since many members of the House of the Hearth are young and orphaned children taken in across Teyvat and views them all as her "children," becoming particularly angered when their well-being is threatened or manipulated.

From Genshin Impact 

Yennefer is sharp-witted, commanding, and fiercely independent. She masks deep vulnerability with confidence and sarcasm. Driven by intellect and ambition, she’s strategic, pragmatic, and sometimes ruthless. She uses  biting sarcasm, control, and manipulation as defense mechanisms, projecting an "ice queen" exterior yet profoundly loyal to those she loves. Beneath her cool exterior lies genuine warmth, passion, and unwavering devotion, especially toward Geralt and Ciri.