Sulu

Sulu was the astroscientist and helmsman aboard the U.S.S. Enterprise. Assigned as a physicist at first, Sulu was transferred  to duties as a Tactical  officer. He was a renownced expert on various forms of arms, in particular antique projectal weapons, and also skilledat swordplay, fensing and Judo. He was also a experienced and steady pilot. A dedicated botanist, Sulu tended a collection of flora samples from his travels in the Enterprise's garden.
From Trek Trivia