Enel Bio

  A person of the sky Ener ate the "Goro Goro" Devil Fruit, which gives him the power of electricity. After destroying his homeland. Ener journeyed with an army of followers to Skypiea. He quickly overthrew the former  god Gan Forr, and became ruler of Skypiea. Ener's army consists of a large militia of goat men (think sacrificial goats) lead by Yama the militia captain. He also has 4 priests who guard the sacred upper yard of Skypiea where Ener resides. They are Ohm,Shura,Gedatsu,and Satori and they scout the rain forests of upper yard for intruders who they impose trials on.

Roronoa Zoro Bio

Roronoa Zoro is probably the most physically strong member of the Straw Hat Pirate Crew and is also one of the two most serious members of the crew.He is extremely skilled with swords, being able to use 3 at one time, a style known as 'Santoryu'. While fighting, he usually takes the bandana which he keeps tied around his left arm off and ties it around his head.

Hatake Kakashi Bio

Kakashi is the Konohagakure Jounin assigned in the beginning of the manga and anime to train and look after Team 7, including Uzumaki Naruto, Uchiha Sasuke, and Haruno Sakura. He is also known as Copy Ninja Kakashi or Kakashi of the Sharingan.These aliases refer to the fact he copied more than a thousand jutsu (ninja techniques) using his left eye, which possesses the Sharingan, an advanced bloodline trait found only in some members of the nearly defunct Uchiha clan. However, he is not a real Uchiha, and in fact receives the Sharingan eye from a dying Uchiha Obito, his teammate, during his first mission as a Jōnin. During that mission, Kakashi injured his left eye in a battle trying to protect Obito, leaving behind the scar. He is, an exceptionally skillful ninja, a child prodigy who attained Chuunin rank at the age of 6 and became a Jounin at age 13. His father was Hatake Sakumo, known as the "White Fang" of Konoha and a genius ninja on par with the Legendary Sannin (famous students of the Sandaime Hokage : Orochimaru, Jiraiya, and Tsunade).