While Jin is the member most often associated with the nickname "Moon" in BTS, this is largely due to his solo song titled "Moon."
Here's a breakdown:
-
Jin and "Moon": Jin's solo song "Moon," part of the Map of the Soul: 7 album, expresses his affection for ARMY (BTS's fan base) by comparing them to Earth and himself to the Moon, orbiting and watching over them. This is the primary reason Jin is often referred to as "Moon" within the BTS fandom.
-
Other Members and Celestial Associations: Other members have also been associated with celestial bodies:
- J-Hope: Often seen as the "Sun" due to his bright and energetic personality.
- Suga: More recently, he has been called the "North Star" for his guidance to the other members.
In conclusion, although other members have celestial associations, Jin is most commonly known as "Moon" in BTS because of his solo song and the sentiment it conveys to ARMY.