Grandmaster (martial arts) of "Dan" rankings and Black belt and Red belt in martial arts both derive from Judo where they were adopted by its founder Kanō Jigorō. There are many terms similar or equivalent to 'grandmaster' used by various martial arts traditions. Some of these terms derive from older systems, while others are relatively modern. Japanese martial arts commonly use Sensei (先生) meaning "teacher" or literally translated, "born first" or "one who has gone before". A "Sensei" is a person who has knowledge and is willing to teach that knowledge to another. A "Sensei" assists students in "ken shiki" "the pursuit of
History of martial arts and very popular television shows like "Kung Fu", "Martial Law" and "The Green Hornet" that incorporated martial arts moments or themes. Following Bruce Lee, both Jackie Chan and Jet Li are prominent movie figures who have been responsible for promoting Chinese martial arts in recent years. The reconstruction of a martial art as practiced in a specific period is distinct from the practice of a traditional fighting system handed down by way of master-student transmission. The largest movement of martial arts reconstruction is the Historical European Martial Arts revival (HEMA), gaining momentum since the late 1990s. To a limited extent,