I want to destroy that." Akihiro Kanou (嘉納 明博, Kanō Akihiro), often referred to as Professor Kanou (嘉納教授, Kanō-kyōju), was a physician responsible for Ken Kaneki's transformation into an artificial one-eyed ghoul, using him as a prototype for his ghoulification surgery.
Three years later after the timeskip in Tokyo Ghoul:re, Kanou is seen still alive and remains a member of the Aogiri Tree. He is with Eto during the Auction where the two of them overlook the event happening from a building nearby and observe everything happening from a distance.
Kimi Nishino | Tokyo Ghoul Wiki | Fandom.
Enraged and conflicted by his decision, Tsukiyama tried to take Kaneki down and presumably eat him before he met his inevitable end in the raid, but was easily subdued.
Rigby has also died four times and was resurrected in the series. He was killed by Skips in an arm wrestling match, he was killed by Snowballs the Ice Monster, he was killed by Mordecai who pushed him into the Space-Time Continuum, and fell into a fatal coma in "Eggscellent".
Mordecai - Decapitated by the Halloween Wizard. Rigby - Drowned in egg yolk by the Halloween Wizard. Cool Court Prosecutor - Killed in an explosion. Five Unicorns - Blown up by Mordecai and Rigby.