Haku

Haku has a kekkei genkai which is Ice Style. He was an orphan, until Zabuza found him. He then became a mist ninja.They trained together, and then when Gato hired Zabuza to kill Tazuna, Haku was his partner. When Kakashi used his Sharingan, Haku watched him carefully. When they fought together again on the bridge, Haku dies with Kakashi's Lighting Blade. He also made Sasuke faint with his Crystal Ice Mirrors and One Thousand Needles of Death. Naruto also broke Haku's mask in half in his Nine-Tailed Fox form.
JUTSUS:
Crystal Ice Mirrors
One Thousand Needles of Death
Acupunter
Mirror Transfer