Principal

This nameless man is a minor character in the Free! series who works as the Principal (校長先生 Kouchousensei) of Iwatobi High School.

Appearance
He is a kindly-looking, middle-aged man with short brown hair, one lock swept across his forehead, and brown eyes. He is usually seen wearing a short sleeved white shirt with a dark gray or brown sweater vest, red tie and light gray trousers.

Personality
The principal appears to be a reasonable individual who commends Haruka Nanase, Makoto Tachibana, Nagisa Hazuki and Rei Ryugazaki for working hard towards winning their tournament and encouraging them to do well. At a later time, he shows up at a practice session to tell Haruka that the entire student body and staff are watching his progress, so he must put forth his best effort.