Ippen

Ippen is a Japanese given name, often used as a surname as well. It is derived from the Japanese word "ippan," which means "common" or "general." The name is often associated with the concept of universality and inclusivity. In the context of Japanese martial arts, Ippen is a notable surname, with one of the most famous figures being Ippen Shihō Niten, a legendary swordsman from the late 16th century. His life and teachings have been the subject of numerous books and films, contributing to the enduring fascination with Japanese swordsmanship. The name Ippen can also be found in various other contexts, including literature, music, and popular culture.