To read about Crazy's StarCraft: Brood War career, see Crazy-Hydra.
Crazy is a StarCraft progamer from South Korea. He plays Zerg for team KT Rolster.
 Wings of Liberty
Crazy played his first official StarCraft II match during the hybrid 2011-2012 Proleague Season 2.
 OnGameNet Star II League
 2012 OSL KeSPA Preliminaries
On July 19, 2012, Crazy participated in the 2012 OSL KeSPA Preliminaries. Crazy received a BYE in round one and then took down Rudy, Hyuk, and faced Bogus in the finals. In the finals, Crazy- wasn't able to advance any further as he took 2nd place after losing to Bogus by a score of 0:2.
- Defeated Jaedong in his first official SC2 match.