Ryōkan

is a medical-nin of Sunagakure.

Appearance
Ryōkan has dark eyes and thin eyebrows. He wears what is seemingly the standard uniform for medical ninja in Sunagakure which entails a red tunic with a white poncho-like collar which he wears along with the standard Sunagakure turban and white forehead protector.

Personality
Ryōkan seems to get frustrated a lot when he is unable to help his fellow comrades. He was filled with regret at not being able to help Kankurō.

Abilities
Ryōkan is a talented medical-nin, but he along with his mentor Sekka were unable to help Kankurō, something he deeply regretted. As a medical-nin, he has a good chakra control in general.

Kazekage Rescue Mission
When Kankurō was retrieved from the desert after having been poisoned by Sasori, he along with Sekka attempted to treat him, but to no avail. He later aided Sakura Haruno, who was able to successfully extract the poison and create an antidote as well, in treating Kankurō.