Lim Yo-hwan (born 4 September 1980), known by the ID SlayerS_`BoxeR` (usually shortened to BoxeR), is a former professional player of the real-time strategy computer game StarCraft. He is often referred to as The Terran Emperor (Hangul: 테란의 황제), or simply "The Emperor", and is widely considered to be one of the most successful players of the genre as well as an esports icon. In late 2010, he retired from StarCraft: Brood War and founded the StarCraft II team SlayerS. Since the disbanding of SlayerS, he briefly returned to SK Telecom T1 (SK T1) as a coach before retiring due to health related issues. He is currently a professional poker player.
Lim has a record of 548 wins and 416 losses (56.80%) in his professional career. He is one of the highest-paid professional gamers, with annual earnings that exceed $400,000 US Dollars and endorsement contracts that bring in an additional $90,000 per year. In 2004 he was voted the greatest gamer of all time by readers of ESReality, a popular Western esports website, and in June 2006 he was included in an MTV list of "The 10 Most Influential Video Gamers Of All Time."