Gorou Mizuno

A character from the Digimon Tamers saga, he is one of the original Monster Makers.

The word Shibumi is the plural of "Shibui", which is Japanese for "Effortless Perfection", and is the title of a book by Trevanian about the application of the "Shibumi" ideal in Aikido.

(Source: Digimon Wikia)