Stage name: Sunny
Full Name: Lee Sun Kyu
Label: SM entertainment
Group: SNSD
Position: Lead Vocalist
Birthday: May 15, 1989
Birthplace: Los Angeles, California, USA
Height: 158 cm
Weight: 43 kg
Blood Type: B
Education: Baehwa Girl’s High School
Languages: Korean, English
Trainee Time: 9 months (+ 5 years in another company)

- Her parents were at first against her decision to becoming a singer because they knew the difficulties that came with pursuing the career since a majority of their family are involved in the music industry.
- She is the niece of SM Entertainment‘s CEO Lee So Man.
- She has two sisters, which share the same birthday as her
- She used to be mistaken for being the maknae since she shows a lot of aegyo and has a baby face
- Her vocal teacher use to be R&B star Wheesung.
- She loves fruit.
- She doesn‘t like her name “Sun Kyu” because she thinks it sounds like a name for an older generation.
- She is the most cheerful member of Girls‘ Generation/SNSD.
- Among the Girls‘ Generation/SNSD members, she is the slowest to learn the choreography.
- She often mumbles while sleeping.
- She has a crush on Daniel Heney.
- She was in the MV Super Junior H‘s “Cooking? Cooking!”