Wanderer

Wanderer, also known as Scaramouche, The Balladeer, Kunikuzushi is a former fatui harbinger that was left in Sumeru by Dottore or 'The Doctor', causing him to eventually help the God of Wisdom Kesser Lord Kusanali or Nahida, while helping her, he erased his existence to Irminsul and then had a second 'incarnation' no longer Scaramouche or The Balladeer, but Wanderer or Hat Guy, he later regained his memory of his past incarnation as the 6th harbinger, along with all his trauamtic memories that led him to joining the Fatui.