Klaus Hufruhmann, professionally known as HU, is a highly skilled tattoo artist based in Kobersdorf, Austria. He specializes in an array of styles, primarily black & gray, neotraditional, and realism. With a critical eye for detail received through sponsorships from renowned organizations like Cheyenne Tattoo Equipment and Ink Booster, Klaus meticulously brings each concept to life. His mastery and dedication to his craft has resulted in a portfolio that widely displays his talent and versatility.