Junji Ito Characters

So here's a guide for the newer fans, I'll also be doing one for Nakayama Masaaki(Also there will be a part two for this since I didn't finish up)

Souichi Tsujii
Souichi Tsujii is in a lot of short stories in the Junji Ito colection manga/anime.
Stories featuring Souichi:
Shiver
Coffin Tub
New Voices in the Dark
Rumors
Secret of the Haunted Mansion
Souichi Tsujii
Souichi's beloved pet
Souichi's Convinient Curse
Souichi's Diary of curses
Souichi's Diary of Delight
The room of four heavy walls
The Souichi Front
Voices in the dark(This is different from New voices in the dark)
First Seen: Junji Ito Collection, Episode 1(anime), Ito Junji Collection Museum of Terror, Vol. 5, Ch. 1 (Manga)

Tomie
Tomie is the main antagonist in the manga series with the same name, 'Tomie'.
Stories Featuring Tomie:
Dying Young.
The Woman Next Door.
Sound of Grass.
Graveman.
The Seashore.
First Seen: Manga: Horror World of Junji Ito (vol. 1): Tomie
Anime: Junji Ito Collection: Painter
Last Seen: Tomie Takeover

Toru Oshikiri
Toru Oshikiri is the protagonist of the ninth Horror World of Junji Ito collection, which is entitled Hallucinations. The six chapters comprising the Hallucinations series were also collected into the 2018 Viz Media story collection volume entitled Frankenstein.
Stories Featuring Oshikiri:
Horror World of Junji Ito
Hallucinations
Hallucinations Series