Inuyasha
His name translates to dog-demon
English voice:Richard Ian Cox
Japanese voice:Kappei Yamaguchi
Inuyasha is a hanyou (half-demon) who appears to be around 15 years old, but in reality is closer to 200.
His father was a powerful dog taiyoukai (demon lord) and his mother was a human. He also has a half-brother named Sesshomaru who is a full demon. Myouga is his family adviser/companion.
When Inuyasha's father died, he left two swords for his sons. Inuyasha received the Tetsusaiga, which can kill 100 demons with a single swing. Sesshomaru received the Tenseiga, which is the opposite. It can bring 100 people back to life.
Inuyasha's abilities include the Sankon Tetsusou (Soul Scattering Iron Claw / Iron Reaver Soul Stealer) - a very strong claw attack. The Hijin Ketsusou (Flying Blade Blood Claws / Blades of Blood) - he gets his blood on his claws, and can throw blades from it. The Tetsusaiga (Pulverizing Steel Fang) - a sword forged from his father's fang. It is very powerful, and can be used to perform the Kaze no Kizu (cutting wind). Eventually he learns the Bakuryuuha (explosive wave technique) - which allows him much greater control over the sword and it's power, and finally the Kekkaigiri (barrier destroyer) which allows him to break through magical barriers.
At times the demon blood in Inuyasha takes control of his body. He becomes completely evil and a mindless killer. Some people believe that he 'turns full demon', but this is incorrect. The actual explanation is that the demon blood from his father is so powerful that it can take him over. After he turns back, he is not aware of what happened.
Since he is a half demon, he becomes a full human on the night of every new moon. His hair turns black, his features become more human (no claws, fangs, or dog ears, etc.), he looses all his powers, and can no longer transform the Tetsusaiga. When the sun rises, he turns back into his normal form.
Inuyasha is first seen when he is bound to a tree (after 50 years) from an arrow by Kikyo. He is released by Kagome, a girl from the future that traveled back to feudal Japan through a mysterious well. Inuyasha first thinks she is Kikyo, the woman who trapped him years ago, while in reality, she is her reincarnation. They eventually become friends, and Inuyasha fondness for humans becomes stronger (a trait actually inherited from his father - as he found his bride in a human). Inuyasha originally wanted the Shikon jewel for himself, to become a full demon, and part of him still wants this someday, but his primary goal (and the goal of those who accompany him) is to prevent the shards of the Shikon from falling into the hands of those who wish to abuse it's powers.