Naruto: Ninja Council 3 Codes -

Play as Gaara of the Desert:
Complete the mission "Secret Technique" using the technique, Chidori.

Play as Uchiha Itachi:
Complete the mission "Revenge" as Uchiha Sasuke.

Play as Jiraiya:
Complete the "Teach Him A Lesson" mission.

Play as Jirooboo:
Complete the "Chubby's Pride" mission.

Play as Yakushi Kabuto:
Complete the "Betrayal" mission using the technique, Lightning Blade.

Play as Hatake Kakashi:
Complete the "Secret Technique" mission.

Play as Kankuroo:
Complete the "I'll Handle This" mission using the technique, Parasitic Insect Technique.

Play as Kidoomaru:
Complete the "Pinpoint Blindspot" mission.

Play as Hoshigaki Kisame:
Complete the "Kisame's Counterattack" mission
.
Play as Maito Gai:
Complete the "Taijutsu Training" mission.

Alternately, complete mission 9.

Play as Sakon/Ukon:
Complete the "Combo" mission.

Play as Tayuya:
Complete the "Calculated" mission.

Play as Temari:
Complete the "What A Drag" mission using the technique, Shadow Possession Technique.

Play as Sarutobi (The Third Hokage):
Complete the "Find The Glowing Scroll" mission to have Sarutobi as a support character.

Play as Tsunade:
Complete the "Famous Kunoichi" mission.

Play as Orochimaru:
Complete all missions.

Play as One Tailed Kyuubi and Curse Mark 2 Sasuke:
In the Japanese version, complete the last mission where you must defeat CS2 Sasuke with Rasengan (the first set).

Gallery 1:
Successfully complete the three rows of missions.

Gallery 2:
Successfully complete all missions.

Chooji wallpaper:
Successfully complete the game.

Gaara, Gai, Jiraiya and Kakashi wallpaper:
Successfully complete the game twice.

Hinata and Ino wallpaper:
Successfully complete the game three times.