|Estréia no Mangá||:re Chapter 1|
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Doctor Shiba is the one who proposed the idea of Quinx. He is in charge of monitoring their RC levels and ensuring they don't reach dangerous levels.
He is an old man who appears to be in his late 60s. He seems to have no eyebrows and sports thin lazy eyes. He has a thick, gruffy mustache, and wears glasses with oblong lenses.
He is shown to be quite serious and professional in his work. He does express some form of curiosity.
Dr. Shiba is in charge of the Quinx Squad's routine checkups.
Power and AbilitiesEditar
He possesses a sufficient amount of knowledge about ghouls which is enough to be able to perform the Quinx surgery.
Shiba and Haise shares a professional relationship, and sees him objectively. Shiba showed curiosity in how it's like for Haise to live like a ghoul with his high RC cell level.