
*
Nurarihyon : A youkai that when you try to catch it, it just slip off your hand. Originally a demonification of big jellyfish. The youkai's leader theory came from
Fujisawa Morihiko's Youkai Picture Story Compilation - Japan Arc. While theory of coming into people house started by
Saitou Arifumi's 1972 book,
Most Detailed Japanese Youkai illustration.
- Nurarihyon, Nura Rikuo

*
Yuki-onna : Snow woman.
- Tsurara, Setsura and Reira.

* Aotabou : Probably from
Ao-bouzu. A monk wearing blue. Sometimes depicted as entering empty house, kidnapper or neck-hanger.

* Kurotabou : Probably from
Kuro-bouzu. A youkai that comes to woman's room when she sleeps and sucking her breath or licking her mouth. A black monk looking blurry in human's eyes.

*
Kappa : Have webbed hands and feet, put a plate that always wet above his head. There's 2 type : humanoid/monkey-like and tortoise-like. Love cucumber, fish, fruits and shirikotama. The cucumber part is because kappa associated to water god, and the offering to water god is cucumber.

*
Nukekubi : Youkai with head detached from it's body.
- Kubinashi.

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Kejourou : A youkai with long hair.

*
Karasu Tengu : A crow tengu.
- Karasu Ten'gu, his 2 sons, Kuroumaru and Tosakamaru, and his daughter, Sasami.

*
Jami : Explained only as youkai that do harm to human. Originally from China's myth,
Ge Hong's Shenxian zhuan. Mizuki Shigeru define it as youkai that attached to people that hated by others.

* Nattou-kozou : A small youkai with nattou as head.

*
Toufu-kozou : Hitotsume-kozou variant. Always let his tongue out and have a tray of toufu. Harmless youkai.

* Ko'oni : Small oni.

*
Te no me : Have no eye in the face and have it in each of his palm instead.

* San no kuchi : Have a 3-shaped mouth

*
Oboroguruma : A semi-transparent oxcart with a big face

*
Takara-bune : Seven Lucky Gods' ship. In the manga the room's name based on Seven Lucky Gods.

*
Wanyuudou : A wheel with face

*
Tenaga : Long-armed people.

* Ashinaga : Long-legged people.

*
Chouchin Obake : A paper lantern ghost.

*
Ohagurobettari : Faceless woman with blackened teeth. In Edo period, married woman have make up by blackening their teeth.

*
Yamachichi : It's said that bat after years turns into nubusuma, then after years turns into Yamachichi. Ape-like with pointy mouth. Kissing a person while they sleep and suck their breath. The victim will die the next day. But if someone see when the breath sucked, the sucked person live will be prolonged.

*
Amikiri : A youkai with shrimp body and crab-like scissor-hands

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Dorotabou : A muddy youkai

*
Nuribotoke : A black buddha/corpse with popped-out eyes

*
Biwabokuboku : A tsukumogami of a
biwa.

*
Karakasa : A tsukumogami of an old umbrella.

*
Hone karakasa : A tsukumogami of an old umbrella that have it's cloth torn up and it's frame sticking out.

*
Hatahiro : Loom weaved cloth that turned into snake shaped youkai. There's a woman that felt grudge over her husband that never comes home. The cloth that she weaves confined with the grudge and take a shape of snake to look for the husband.

*
Tenjou-kudari : An ugly old woman that hanged upside down in the ceiling.

*
Gyuuki : A youkai with horned, bovine head
- Gyuuki, Gozumaru, Mezumaru, Negoro, Uwajima

*
Mokugyo Daruma : A tsukumogami of a
mokugyo that changed into
dharma form. Youkai created from combining the theme of sleepless. Mokugyo is a tool to remind the monks to meditate without sleep and rest (fish always open it's eyes day and night). While Dharma meditated for 9 years without sleep.

*
Zen : Originally from China. Recorded on ancient texts like
Shiji. A bird with deadly poison. It's as big as a hawk, have green feather and copper-colored beak. Have poisonous snake as it's diet.

*
Hihi : Originally from China, taken from
Sancai Tuhui. In a form of large ape. Live in the mountain, have brute strength, and likes to kidnap woman. When it meet human it will laugh, hence the name. About 3 meters tall, it's body covered by black hairy fur. Can understand human language and able to predict human's lifespan.
- Hihi, Shou'ei

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Hitotsume Nyuudou : One-eyed youkai in a form of a big monk.

*
Soroban-bou : A youkai that startle people by sounds of abacus, but when approached the sounds gone and comes out from another direction.

* Oomukade : Giant centipede. There's a legend of the duel between giant centipede of Mt. Nantai and giant snake of Mt. Akagi. Snake symbolize river and represents people that gathering iron sands and producing iron, while centipede symbolize mine trail and represents people that mining ore such as native gold.

*
Asajigahara no Kijo : An old woman and her daughter. From Hanakawado, Taito city, Tokyo. In Youmei emperor's time, Asajigahara is the only road that connects
Oushuu and
Shimousa. It was a wasteland and there's no place to rest, except a house. The grandmother pretended to let travelers rest, but when they sleep, she hit their head with the stone pillow, throw the bodies at the pond nearby and lived with the stolen money. Killed 999 travelers until stopped by Asakusa Kannon Bossatsu.

*
Mottainai Obake : A ghost appear in a tv commercial made by Advertising Council Japan. If someone do something that wasteful, Mottainai Obake will appear at his pillow and preach him. There's some versions whether the soul will taken, eaten or only preached according to the area the commercial broadcasted.

*
Mitsume Yazura : Three-eyed demon that have eight faces.

*
Kyourinrin : Tsukumogami from Shubin's magical scroll that thrown away after his defeat against
Kukai at rain-calling ceremony.

*
Jorougumo (?) : A 400 years old
spider turned into youkai and can change into seductive woman.

*
Hito Ookami (?) : Lycanthrope. Have a long mane-like hair.

*
Gagoze : A youkai that appeared at Gangouji temple. A corpse of the temple's servant that turned into youkai and killed children every night.

*
Nekomata : 100 years old cat turned into youkai. It's tail forked into two. The forked tail comes later at Edo period though, because the word's origin is from nekomata cursed human by stradling the human.
- Ryoutaneko, Saburouneko

*
Oitekebori : Originally it's a youkai that tells fisherman to leave the catched fish, but it developed into youkai that asks for interesting thing to replace the old thing it gets bored to.

* Anta & Yomekko : A crow-like youkai and his 3-eyed wife.