Half-cats:

Both Diona and Sucrose are what are called half-cats, or some even call it demi humans.

So they don’t have a longer life span than humans. They do have extra features like ears or a tail, some even have better smell or other sharper scenses.

Chalk:

Albedo is from a city called Khaenri’ah that 500 years ago was destroyed by Celestia.

He was created in Khaenri’ah by an alchemist, she used chalk to make what now looks like a human. Albedo is her only subject that did not lose control or died. Her name was Rhinedottir, leading alchemist of Khaenri’ah.

Albedo now lives in Mondstadt as an alchemist, he is also over 500 years old.

Elf:

Klee is an adorable kid that is looked after by the adventurers guild and Albedo. She is an unknown elf species and because of the fact that she is an elf she has a longer life span. From what is know about her mother Klee can become around 500 years old.

Adepti:

Xiao and Xianyun are adepti, which can be described as immortals with protection from Morax. Both of them are well over 2000 years old.

Adepti also have animal forms, called adepti forms. The two of them both have birds as animal forms.

Half-adepti:

Ganyu and Yanfei are part adepti and have some characteristics from the adepti lineage.

They are a couple of houndred years old and will live for a couple more.

Ganyu also have an adepti form, it looks like a giant goat made up of cloud along with her horns on its head. But both Yanfei and Ganyu have horns.

Zombie:

Qiqi is a child that died in a battle a 100 years ago and later got resurrected. So now she is a zombie and work under a man named Bazihu in Liyues pharmacy.

We don’t know much else, not even why there was a battle 400 years after the wars had ended. Qiqi is pretty dense and don’t show any emotions since she is technically dead.

Kitsune:

Yae Miko is a kitsune, which means she is a fox spirit. She serves directly under Beelzebub and is actually Beelzebubs pet.

While Ei had her mind trapped in her puppet Miko looked after the electro gnosis. Miko also opend a shrine where she is high priestess.

Yae gets a new tail every hundred year, right now she has six tails so she is 600 years old.

Half-animal:

Gorou is half dog and is a general in the army from Sankanomia. This army Gorou led went against Beelzebub and Kujou Sara.

Kirara is an animal hybrid with a cat, but she is different from the ones in Mondstadt. Her species is called a Nekomata and they can grow more tails as they get older.

Kujou Sara is a half animal bird, she can hide her animal features which are her two sets of wings. She is a general for the archon of Inazuma, and has fought against Gorou in many battles.

Oni:

Arrataki Itto is an Oni or if you translate it, demon. He is the leader of a gang in Inazuma and has fought against Kujou Sara and gotten arested by her.

Onis in Genshin Impact have one very specific weakness, beans they are deathly allergic to beans.

Ittos Oni features are mostly hornes, markings and stronger than a normal human. Onis don’t have a much longer life span than the average human.

Youkai (baku):

Yumemizuki Mizuki is a youkai or a spirit from Inazuma. Yumemizuki is a youkai called baku, they are dream spirits that devour peoples nightmares.

Yumemizuki was in Natlan for a while, then she came back to Inazuma to contiune be a clinical psychologist. She helps her patiens by devouering their nightmares.

Half-fox:

Tighnari is a half-fox from Sumeru that protects the forests of Sumeru. His family comes from the dessert as they are dessert foxes, but had to flee from the dessert becasue of the war. Now Tighnari gets overheated very easily and can’t even visit the dessert, that was the home of his ancestors.

Elf:

Layla is an unknown elf species, so she probably like Klee have a longer life than that of the average human.

She is a student at Sumerus academia and has real trouble with staying awake. But she is most productive when she is asleep so she does well with her studies.

Puppet:

Wanderer is a puppet created by Raiden Ei the god of eternity. Wanderer was her prototyp for Eis later puppet the Raiden shogun.

Since Ei made him he is originaly from Inazuma. He has however been to almost all nations on missions for the fatui as Scaramoche or as the Ballader.

But after Scaramoche lost against Buer, god of wisdom, he left the fatui behind and started living with Buer. He did delete his exictense from Teyvat so nobody but us and Nahida knows his story.

Dragon:

Neuvillette is the hydro dragon, there are more elemental dragons but we don’t know about them.

Neuvillette is the head judge in Fontaine, he is also the most powerful being in Fontaine at the moment. The reason for this is because the archon of Fontaine killed herself and made her replacment a mortal.

Half-cat:

Lynette is a half animal hybrid with a cat. She works for the Fatui under the fourth harbinger, as the forth is the one who raised Lynette and her twin brother. Her brother however is a normal human.

The twins perform as magicians in Fontaine. While their adopted brother adores diving in Fontaines oceans.

Elf:

Chasca is an elf species that is also unidentifed. If her and the other elf are the same we don’t know.

Chasca is a peacemaker for the flower feather-clan, so she is used to conflict and fighting. She helped a lot in the war for Natlans freedom against the abyss.

Half-animal:

Kachina is based on the animal called Pika. She is a young champion in Natlan and has helped in the war fighting for Natlans freedom.

Ororon is a hybrid with fruit bats. He is pretty dense and not super smart, but did a lot to help Natlan in its war for freedom

Xilonen is a hybrid with a leopard. She is mainly a Dj but can fight if necessary. She did also help in the war.