1. Seo JooHyun is her real name
2. Her birthday is June 28 1991
3. Her blood type is A
4. She is the Maknae (youngest) in the group
5. She and Yoona are childhood friends
6. She loves eating Goguma (Sweet potatoes)
7. She hates hamburgers
8. Tiffany is her former roomate
9. Hyoyeon is her current roommate
10. If you notice, She sometimes sings first in some of SNSD’s songs like Kissing You. Honey. Gee. Oh and Way to Go
11. She is a lead vocalist in the group
12. She once brainwashed Taeyeon into watching Keroro.
13. She loves watching Keroro and Nodame Cantabile
14. She is the second tallest in the group (1st is Sooyoung)
15. She once had a nickname “Kkuk Kkuk ee” during Horror Movie Factory because she doesn’t get angry.
16. She once cried because their manager oppa promised her that he would quit smoking if they won a MMA award but he smoked in front of her.
17. She usually commit mistakes during performances.
18. She once lost her shoe in performing Tell Me Your Wish live.
19. She is currently casted in We Got Married
20. She can imitate alarm clocks
21. Her ideal man is Johnny Depp
22. She is very skilled with the piano
23. She used to play the violin during elementary school
24. She has the habit of waking up when someone turned on the lights/called out to her
25. Her husband in WGM is CN Blue’s leader Jung Yonghwa
26. Seohyun is fluent in Korean, Chinese and English
27. She once become an MC in Music Core along with Sooyoung to cover up for Yuri as she recovers from swine flu. Now, she’s back with Yonghwa along with Yuri to cover up for Tiffany.
28. She really does cares about her unnies
29. She is currently attending Dongguk University as a freshman majoring in Theatre
30. She trained for 6 years and 6 months
31. Her fav. song from their albums is Kissing You
32. She sports the number 11 in Oh! because she wanted to be number one
33. She is currently learning the guitar from Yonghwa
34. She and Taeyeon are voice dubbers in an animation film
35. She once played the piano for TRAX’s Let You Go
36. She’s one of the “Tall people” in the group who teases the “Short people”
37. She once donated blood in celebration of her and Yonghwa’s 22nd day in WGM
38. She likes books.
39. Her favorite genre is the Self-Improvement genre
40. Once, she gave her “husband” antibiotic made out of natural honey because he’s recovering from vocal nodules
41. She thinks guys are gross