- JiWon (Ji/woo and Chae/won)
- ChuuGo (Chuu and Go/Won)
- Both were born in South Korea.
- Both are in yyxy.
- Both of their blood types are A.
- Both of their representative animals can fly.
- Chuu is older.
- Chuu was introduced in 2017, whereas Go Won was introduced in 2018.
- Go Won has had blonde hair, while Chuu has not.
- Chuu is in the vocal line, while Go Won is not.
- Chuu's representative color is warm, while Go Won's is cool.
- Chuu is a Libra, while Go Won is a Scorpio.
- They are in the group LOONA.
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