-Kaneki (金木) means "golden tree" and Ken (研) means "to grind/polish" or "study."
-Sasaki (佐々木) means "wren" and Haise (琲世) means "halsband world." The name was created using the kanji from "coffee" and "world."
-Kaneki has a habit of touching his chin with his left hand when he is hiding something. This habit appears to be subconscious, as he still does it even after his memory loss
-Kaneki shares the same birthday with .
-Kaneki likes reading, beautiful language, intellectual women, and hamburgers.
-Beginning with the Aogiri arc, Kaneki has been repeatedly associated with the number "12" in panels. This is a reference to the tarot card The Hanged Man (XII)
-The sudden color changes in Kaneki's hair are caused by the suppression of his Rc cell activity which has caused temporary melanin production that causes his hair color to change
-The relationship between Sasaki and his mental projection of "Kaneki" is akin to his relationship with his projection of "Rize" in the past as Kaneki. "Rize" would often tempt Kaneki to give in to his ghoul self, while "Kaneki" tried to have Sasaki accept him. Both projections represent the ghoul side of himself.
-In the anime, Kaneki joined Aogiri at the end of the first season, which differs greatly from the manga in which Kaneki forms a group with Banjou, Hinami and some other ghouls. In addition, the anime cuts out the scene where Tatara discards Kaneki.
-In the official English translation of :re volume 1 , Haise Sasaki's birthday is incorrectly given as April 22nd.