Rasa

The was the previous leader of Sunagakure. He is the father of Temari, Kankuro, and Gaara, and husband of Karura. His actual name is unknown.

Background
By his orders, the One-Tailed Shukaku was sealed within Gaara so that he could become Suna's ultimate weapon. However, as Gaara grew and his abilities began to manifest, the Fourth realized that this had been a poor choice and started to view Gaara as a failed experiment who was a threat to the inhabitants of Suna. In time, the Fourth began issuing orders for Gaara's assassination, none of which were ever successful. After a while, for reasons unknown, the Fourth stopped issuing attempts on his son's life.

Invasion of Konoha
When Orochimaru approached Sunagakure with the proposition of joining forces in invading Konohagakure, the Fourth Kazekage agreed. The village had suffered a number of budget cuts by their daimyo, so the Fourth hoped a successful invasion would prompt additional funding. He planned to have Gaara unleash Shukaku from the center of Konoha during the Chunin Exams, giving the invaders an advantage from the get-go.

The Fourth, however, would not be able to see his plans through, as Orochimaru assassinated him soon afterwards. He then impersonated the Kazekage until the invasion began, making it easier to control the village. Gaara, whose life was made miserable by his father, would later succeed him and become the Fifth Kazekage.