Himuro Kyousuke (氷室 京介, Kyousuke Himuro) was the first Lieutenant of the 6th Division in the Gotei 13 under Captain Sōritsu Kuchiki. He would later become the Captain of the 6th Division with Ginrei Kuchiki as his Lieutenant. He was later revealed to be one of the many disguises of Averian; believed to be the first Arrancar.