Sheik has been confirmed as a playable character in Hyrule Warriors in this week’s issue of Famitsu magazine. Additionally, Darunia and Princess Ruto are playable as well. All three characters are from Zelda: Ocarina of Time.
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.