- GoHye (Go/Won and Olivia/Hye)
- OliWon (Oli/via Hye and Go/Won)
- 권혜 (Gwon-Hye)
- Both were born in South Korea.
- Both members were introduced in 2018.
- Both are in yyxy.
- Both are in the rap line.
- Both use stage names.
- Both of their stage names are full names.
- Go Won is older.
- Go Won’s blood type is A, while Olivia Hye’s blood type is B.
- Go Won's stage name is given surname-first, while Olivia Hye's is given-name-first.
- Olivia Hye is in the dance line, while Go Won is not.
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