Profile 
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- Stage Name: Hyoyeon (효연)
- Birth Name: Kim Hyo Yeon (김효연)
- Birthdate: September 22, 1989
- Nicknames: Princess Fiona, Dancing Queen
- Zodiac Sign: Virgo
- Birthplace: Incheon, South Korea
- Height: 160 cm
- Weight: 49 kg
- Blood Type: AB
Trivia Edit
- Group: Girls' Generation
- Position: Main Dancer, Main Rapper, Vocalist
- Relationship:
- Kim Joon Hyung (Writer) (2012-2014)
- Hobbies: Watching movies, listening to music
- Specialty: Chinese, dance
