Utakata

was a shinobi from Kirigakure and the jinchūriki of the Six-Tailed Slug. The Six-Tails has been captured and sealed by Akatsuki, causing Utakata's death when the beast was extracted. Utakata and the Six-Tailed Slug are slated to appear in an upcoming filler arc in the anime.

Personality
In the second Naruto artbook, Kishimoto described Utakata as "charming".

Abilities
Utakata fought using ninjutsu from the  of ninjutsu.

Trivia

 * refers to bubbles on the surface of a liquid. Idiomatically, it also means "transient," "ephemeral."
 * Utakata's sash in the splash page was red, but in the 2nd art book he was shown to have a yellow sash.
 * The upcoming premier of a new filler arc will feature Utakata and the Six-Tailed Slug. The arc will be going further into detail about Utakata's life before he was captured by Akatsuki.