This paper toy is a chibi Masaomi Kida, a resident of Ikebukuro and Mikado Ryugamine's best friend from childhood, based on the anime / manga series Durarara!!, the papercraft was created by smilerobinson. For more information and another Masaomi paper toy please click on: Masaomi Kida Paper Toy Ver.1.
You can download the paper craft toy here: Durarara!! - Chibi Masaomi Kida Free Paper Toy Download