Sasuke Sarutobi

was a renowned shinobi from Konohagakure's Sarutobi clan.

Background
During a conversation with Biwako Sarutobi and Kushina Uzumaki, Mikoto Uchiha noted that she named her son after him in the hopes that the boy would become a splendid ninja just like his namesake.

Abilities
He was only mentioned in a chapter or episode, so nothing is known of his abilities. However, he was a powerful ninja as Mikoto stated that she wanted her son to be as powerful as him.

Trivia

 * Sasuke Sarutobi is the name of a legendary ninja who was a member of the Sanada Ten Braves, a group of ninja that served under daimyō Yukimura Sanada during Japan's Warring States period.