
HeeO [히오]
- Debut (Y-M-D): 21-11-25
- Label: Line Production
- Music Videos:
- Korean MVs: Designer, LOL (Love On Lie) (Drama Ver.), Destiny or Challenge
- Albums:
- Korean: Designer [Digital Single], LOL (Love On Lie) [Digital Single], Destiny or Challenge [Digital Single]
- OSTs: “Because Of You” Café Kilimanjaro OST (2020)
- Korean: Designer [Digital Single], LOL (Love On Lie) [Digital Single], Destiny or Challenge [Digital Single]
- Fan Name: N/A
- Logo:


- Real Name: Kwak Hee Oh (곽히오)
- Birthday (Y-M-D): 94-05-02
- Nationality: Korean
- Height: N/A
- Blood Type: B
- Formerly in: 4Ten