Meme Oshino (忍野 メメ Oshino Meme) is a middle-aged man who lives with the mysterious Shinobu Oshino in an abandoned cram school building in the town Koyomi Araragi lives in. An expert in the supernatural, he is the reason why Koyomi was able to return back to normal after being bitten by a vampire, and he becomes Koyomi's informant when it comes to oddities.