Kim Jeong-gyun (Korean: ???; born December 23, 1985), better known as kkOma, is a South Korean professional League of Legends coach and former head coach of SK Telecom T1.
As the coach of SKT T1, kkOma was a three-time world champion, two-time Mid-Season Invitational champion, and eight-time LCK champion.
kkOma is widely considered the greatest coach in League of Legends history.
He is known for his strict coaching attitude and aptitude for developing talented rookies.
Prior to becoming a coach, kkOma enjoyed a short professional career in esports.
He competed in StarCraft II competing under the ID "LittleBoy" for "Team Old Generations".
After unsuccessful attempts to qualify for Global StarCraft II League, he quit Starcraft II and competed for one season of League of Legends Champions Korea for the team "Startale".
He played as the jungler for Startale.kkOma is the only coach who owns a ward skin in League of Legends, which is SKT T1 kkOma Ward.