In Japan, Nippon Ichi are selling a Prinny plush with the dual-wielded Prinny daggers via their online store. It was released last month, and costs 2,100 yen, including tax.
Ishaan specializes in game design/sales analysis. He's the former managing editor of Siliconera and wrote the book "The Legend of Zelda - A Complete Development History". He also used to moonlight as a professional manga editor. These days, his day job has nothing to do with games, but the two inform each other nonetheless.