Zukai

Zukai is the 10th(第十番目の Juubunnoichi) demon lord,making him the weakest of all the demon lords.

History
Much of Zukai's past is unknown,at some point he became the 7th demon lord,but when Yami no seiou appeared,he beat Zukai out for the title of 7th.Zukai drop to the 10th. Since that day,Zukai has always despised Yami no Seiou for taking his rank.

Personally
Zukai appears to be a laid back and irreverent individual at first glance, but this scruffy exterior hides a brutal, impulsive, excessively violent personality and lethally short temper.Zukai is blunt, rude, sarcastic, witty, and quite sadistic, revealing a psychotic grin whenever he becomes excited.He has no regards for humans,as he sees theme as weak and useless.Zukai has shown almost zero respect for his superiors,esspically Yami no Seiou.

Powers & Abilities
Zukai,being the tenth most powerful demon lord,has many different powers:

Expert Hand-to-Hand Combatant: He is fairly powerful for his rank. He is shown able to at the very least subdue Yami no Seiou, who is three ranks higher than he.

Flight:Like most Demon Lords,he is capable of flying.

Regeneration: Zukai is capable of regenerating all of his wounds,even seemly fatally ones.

Teleportaion: Zukai has been know to create portals between the Demon and Human worlds.

Super human abilities: Zukai has many Super Human powers,such as super strength,speed,Agility,As well as a Resistanceto psychic attacks.

Immortality: Due to the fact that Zukai's body body structure is like a puppet or a rag-doll,he can survive getting cut in half,and is comely mistaken for being immortal,when in reality he is not.

Weapon Combat: Zukai Cares a large,black scythe on his back.It is his main weapon and he has shown to be quite good with it.

Duplication: Zukai has the power to make several clones of himself.

Terepashi(テレパシー Telepathy) Allows Zukai to speak with other demons.All Demon Lords have this Ability.

Trivia

 * In many ways he and Grimmjow are very alike.
 * His Relationship with Yami no Seiou almost mirrors that of Grimmjow and Ulquiorra's.