Tenchu: Stealth Assassins

"Tenchu: Stealth Assassins, known in Japan as simply Tenchu (天誅), is a stealth game in which the player takes the role of a ninja, progressing through 10 stages and accomplishing the tasks therein. Playable characters include Rikimaru or Ayame.

Rikimaru is a tall, silver-haired ninja with a single ninjato ... He is stronger than Ayame but relatively slower. Ayame is a kunoichi, or female ninja,...She carries a pair of kodachi. She is faster and has more combos than Rikimaru, but is the weaker of the two."

Source: Wikipedia, "Tenchu:_Stealth_Assassins," available under the CC-BY-SA License.