This cube craft paper toy is Madara, a powerful yokai whose seal was broken by Natsume, he is called "Nyanko-sensei" by Takashi, based on the anime series Natsume Yujin-cho. This paper craft model is designed by duver14.
He made a deal with him: he will protect Takashi while he is still alive and wishing to return the names, and in return, when Takashi does die, the Yuujinchou will come into his possesion. Though it seems that he's forgotten the details of the deal later on, embellishing it with many small details such as saying that he's being given permission to eat Takashi when he dies a number of times to some other rival yokai.
Madara complains when Takashi returns yokai names, as this diminishes the power of the book. He is voiced by Kazuhiko Inoue.
He has a somewhat condescending personality, as is seen in episode 13 of Natsume Yuujinchou. At first, he only protects Takashi for the Yuujinchou, but as the series progresses, he becomes friendlier with not only Takashi, but Natori, Tanuma, and Taki. He is called by different names by each, such as "Ponta" by Tanuma and "Pig-cat" by Hiiragi, but he is not bothered by it too much as long as the name is not outrageous. Only Takashi calls him "Sensei".
His attitude throughout the series can be described as selfish, prideful and comedic, due to how he acts becomes the usual "gag" of the series. He does have a very immature and playful side; often drinks himself silly and loves to eat dango and other sweets, making him heavier and rounder. Despite of his protesting that he is not a cat, he acts exactly like one, like getting excited with cat toys and chasing small animals. He also likes to bully off dogs or throw tantrums.
He has a more caring side to him which he tries to deny or explain away as something else. But as the series progresses it becomes obvious that he is attached to Takashi and is extremely protective of him. Evidence of this is when he went into a rage when Takashi was wounded trying to protect him but Takashi managed to calm him.
He is shown to be acquainted with several yokai, like Tsukuyami, Hinoe and Benio. His strength and rank as a yokai is evident in his interaction with other yokai who are obviously afraid of him even in cat form.
He takes the form of a maneki neko, round and cute. His maneki neko form is white, with an orange and grey marking on the top of his head and back, black eyes, wearing a red cat collar with a gold bell on his neck and has small red markings on his face. In his original form, he is a colossal wolf-like youkai with white fur, red markings on his face and gold eyes. Like most youkai, his original form cannot be seen by people with little or no spiritual energy.
You can download the paper toy template here: Natsume Yujin-cho - Madara Cube Craft Free Paper Toy Download