This paper toy is a chibi Takeda Shingen, a character introduced in the video game Sengoku BASARA, the papercraft created by smilerobinson. In Devil Kings, Takeda Shingen is also known as Red Minotaur. There is also Takeda Shingen's Helmet Papercraft on the site.
Leader of the Takeda clan, famous for its cavalry. Has a large, imposing frame and a brilliant mind as well. Wields a giant axe. Often starts large and unnecessary brawls with Yukimura, sometimes for no reason, usually by wrestling or exchanging names while punching each other at the face. He is critically ill in Sengoku BASARA 3. But in Sengoku BASARA 3 Utage, he has been healed for his illness immediately, thus being a playable character in the game. [Source: wikia]
You can download the paper craft toy here: Sengoku BASARA - Chibi Takeda Shingen Free Paper Toy Download