Sasuke Sarugakure  

, 猿隠 佐助

Sasuke is a loyal and abused servant of the kuno family, bound by his twisted sense of honor to defend and serve them to the best of his abilities. despite many demeaning and cruel tasks such as making shadow puppets for his master's sleep, being used as a wash towel, and serving as a target for attacks from both kuno and kodachi, sasuke remains sneaky and is often sent on missions by kuno or kodachi to aid their personal pursuits. it was sasuke who discovered ranma's sole weakness, cats, and he is enamored of akane tendo due to her kindness towards him, unlike kodachi who uses his wetting the bed as a blackmail tool. sasuke sarugakure is an anime-exclusive character, according to caboodle.tripod.com/ranma/sasubio.html and wikipedia.