Suggestions by @laylachat

Kokushibo

as Demon in House of Horror

Gyutaro

as Demon in House of Horror

Kie Kamado

as White in Fictional Characters by Colours of the Rainbow

Kie Kamado

as Black Hair (Female) in Hair Salon

Susamaru

as Black Hair (Female) in Hair Salon

Susamaru

as Ombré (Female) in Hair Salon

Neemti

as Striped Hair (Female) in Hair Salon

Neemti

as Brown Hair (Female) in Hair Salon

Chachamaru Karakuri

as Green Hair (Female) in Hair Salon

Tsumemon

as Cyclops in Mystical World

Spider Demon (Father)

as Spider in Insectarium

Spider Demon (Mother)

as Spider in Insectarium

Rui (Spider-Demon)

as Spider in Insectarium

Spider Demon (Father)

as Demon in House of Horror

Spider Demon (Mother)

as Demon in House of Horror

Rui (Spider-Demon)

as Demon in House of Horror

Yahaba

as Demon in House of Horror

Susamaru

as Demon in House of Horror

Muzan Kibutsuji

as Demon in House of Horror

Tamayo

as Demon in House of Horror