* Name: Sound Four, aka Sound Five
* Leader: Sakon, formerly Kimimaro
* Members: Sakon and Ukon, Jirobo, Kidomaru, and Tayuya
* Affiliation: Otogakure
* Status: Inactive, All members deceased
The Sound Four (音隠れの忍四人衆, Otogakure no Shinobi Yonin Shū; Literally meaning "Hidden Sound Shinobi Four People") were Orochimaru's elite bodyguards (Sakon and Ukon are counted as one entity due to their kekkei genkai).(Wikimedia)