From Volume 37 Chapter 327 1. This guy who's asking Izumo if he's ok(he's the 1 who attacked Kakuzu with a Black Sword) 2. His companion who came with him and used the "BlackCrows no Jutsu" on Hidan and Kakuzu
stellazio
1. is one of them who appeared during the chunnin exams as invigilators right?
and no.2 looks like ebisu although i'm quite sure he's not.