Question: is sheogorath the hero of kvatch?
Answer: Sheogorath. The Madgod, Sheogorath, may be the Hero of Kvatch. Upon completion of the Shivering Isles official add-on, the Sheogorath seen in Oblivion falls back into being Jyggalag, and the Hero of Kvatch is crowned as the new Sheogorath quickly afterward.