This papercraft is Jeff Andonuts, a character in the role-playing video game series EarthBound, also appears in the video game Super Smash Bros. Brawl, the paper model was created by Dark_Link_13. Jeff Andonuts is the third character to join Ness, and also the only permanent member of his team who is unable to use PSI abilities. To compensate, he can repair objects, although what exactly he can repair is based on his IQ level and the broken items he has in his inventory. He usually uses Guns as his primary weapons, along with an assortment of different projectile items like bottle rockets.
Jeff Andonuts is a resident of the Snow Wood Boarding School in Winters, Foggyland, and the son of the great professor Dr. Andonuts, when he joins the adventure. Paula Polestar communicates with him telepathically to rescue them from captivity in Threed. After acquiring the Sky Runner from his father, Jeff travels to Threed and rescues Ness and Paula, securing his place as one of the chosen four. [Source: wikia]
You can download the papercraft model here: EarthBound - Jeff Andonuts Free Papercraft Download