Leo Kliesen

Introduced in Tekken 6, Leo Kliesen is a Bajiquan practitioner from Germany whose father was a world-famous spelunker who vanished when Leo was young, while their mother was an executive for G Corporation, a major company in the Tekken universe. After their mother is murdered and the police abruptly call off the investigation, Leo investigates on their own. The investigation leads to G Corporation's leader Kazuya Mishima, and Leo enters his tournament in order to face him and get answers. All from wiki, credits to them. Leo also speaks English and German, so no worries.