So this time around, I'm doing the astronomical signs as the various ninjutsu in Naruto!
(All horoscope descriptions from http://zodiac-signs-astrology.com/)
Aries - The Rasengan
Aries personalities are independent. Being the first of the zodiac signs, they venture out and are go-getters, often leading the way. Their upbeat and magnetic personality often entices others to follow their lead because Aries personalities bring excitement into others lives. (via)
Taurus - Sand Shield
Taurus like to do things their way. They are perfectly fine on being alone, this way things get done they way they want them to be done. Taurus is not a follower, but they are not the brave one either. Taurus is perfectly independent. With their perseverance, they get things done and can do quite well for themselves.
Gemini - Demonic Mirroring Ice Crystals
Gemini have the ability to react instantly to situations, and as a result, they have a very nervous temperament. They can be compared to a wound up spring as they attempt to absorb everything they can about their surroundings at once.
Cancer - Reanimation Jutsu
Cancers are complex, fragile, unpredictable and temperamental and need constant support and encouragement, more then any other astrology signs, Cancer needs to be needed. Even when all needs are satisfied, they can be irritable and cranky. They have an uneasy, delicate temperament.
Leo - Gentle Step Twin Lion Fists
Leo is the lion, this well suited symbol represents Leo very well. They possess a kingdom which they protest and cherish. The are highly esteemed, honorable and very devoted to themselves in particular. The kingdom could be anything from work to home to a partner, whatever it is, Leo rules it.
Virgo - Tsukuyomi
Virgo exists in the mind, everything is inside. To the world, Virgo presents a calm and collected exterior but on the inside, nervous uncontrolled intensity in the mind, trying to figure things out, how to improve everything, analyzing and thinking.
Libra - Six Paths of Pain
In return for a Libra's amazing ability to be a good listener, sooth and calm people, they expect admiration. Libras will gather a group of people, everyone will become friends then the Libra will be in the center of the group. They like the attention and the admiration for the people that they have brought together.
Scorpio - Shadow Imitation Technique
Scorpios are very deep, intense people, there is always more then meets the eye. They present a cool, detached and unemotional air to the world yet lying underneath is tremendous power, extreme strength, intense passion and a strong will and a persistent drive.
Saggitarius - Super Beast Imitating Drawing
Sagittarius have a vibrant, expansive personality that is free like a bird, Sagittarius cannot be contained. They are full of curiosity and they always look forward to the future, never dwelling on the past.
Capricorn - Mind-Body Switch Jutsu
Capricorns like being in control of their surroundings and everyone in their life. Capricorns are very cautious but this only to survey the situation before leaping in, they will never make a hasty jump in.
Aquarius - Puppet Jutsu
Aquarius are the people who deviate from the crowd and go their own way. They are always after intellectual stimulation, constantly discovering something new, forming new opinions and stubbornly traveling their way regardless of what other people think.
Pisces - Earth Grudge Fear Jutsu
The Pisces personality is hard to pin down, it is very mysterious and elusive. Pisces are molded by their surroundings, they incorporate their experiences and surroundings into themselves. They have extreme compassion and they feel the pain of others.