|Group affiliation(s)|| Trace Circus|
|Abilities||X-Ray, Telescopic & Microscopic Vision|
|Images | Quotes|
Gang Dong-su is a gambler with the trace ability to see through objects or view them with pinpoint clarity from a distance. Before joining Trace Circus, he used those abilities to cheat when he was gambling. Dong-su often works with Morrienoah Jin due to his trace ability.