Name : Sakon and Ukon
Age : 14
Rank : Jounin
Team : Sound Five
Nature Chakra : Wind Elemental
Sakon and Ukon Profile Review
Sakon was the fourth member of the Sound Five. Sakon and Ukon both enjoy bad-mouthing the opposition. Orochimaru notes Sakon to be the fastest and strongest member of the Sound Five, traits Sakon is very proud of. When in battle Sakon likes to prolong the fight by toying with the opponent and all the while use unnecessarily powerful techniques. This tendency of Sakon's causes him to slow down the rest of the group whenever he gets interested in an opponent. Ukon is able to counteract this flaw by being more impatient and hasty than his brother, forcing Sakon to quickly end his battles. During the Sasuke Retrieval arc, Sakon and Ukon fight and almost kill Kiba Inuzuka and Akamaru. Before they can finish the two off, however, Kankuro arrives and kills them both with his puppets, saving Kiba and Akamaru.
(Source from Wikipedia)Sakon and Ukon Abilities
Sakon and the older Ukon are twin brothers who share positions in the Sound Four. To help distinguish between 
the two, Sakon wears beads around his neck and Ukon has a somewhat deeper voice. With their kekkei genkai, Sakon and Ukon are able to merge with the bodies of others. Ukon generally uses this ability to remain within Sakon's body where he can bring out some of his body parts to aid Sakon in blocking or attacking. Ukon can separate from Sakon's body so that the two can attack independently, though he is not used to moving on his own and thus tires easily. In addition to combining with each other, Sakon or Ukon can merge with an opponent's body, destroying their cells from the inside to slowly kill them. While within another's body, however, they are vulnerable to whatever injuries befall upon the host, in theory allowing the host to commit suicide to kill either of the brothers. This ability also gives the two regenerative capabilities, and given enough time they can recover from any wound. (Source from Wikipedia)
the two, Sakon wears beads around his neck and Ukon has a somewhat deeper voice. With their kekkei genkai, Sakon and Ukon are able to merge with the bodies of others. Ukon generally uses this ability to remain within Sakon's body where he can bring out some of his body parts to aid Sakon in blocking or attacking. Ukon can separate from Sakon's body so that the two can attack independently, though he is not used to moving on his own and thus tires easily. In addition to combining with each other, Sakon or Ukon can merge with an opponent's body, destroying their cells from the inside to slowly kill them. While within another's body, however, they are vulnerable to whatever injuries befall upon the host, in theory allowing the host to commit suicide to kill either of the brothers. This ability also gives the two regenerative capabilities, and given enough time they can recover from any wound. (Source from Wikipedia)