On December 4, the Korean Business Research Institute announced and published the top 30 brand reputation rankings for variety stars for the month of December. 

Starting November 4 up till December 4, the Korea Institute of Corporate Reputation studied and ran an analysis of a big data of the consumer participation, interaction, media activity, community awareness, and social activity indexes of fifty (50) famous entertainers.

SBS' "Running Man" members dominated the top three of the list. Maintaining his place at the first spot for the fourth consecutive month is no other than the "Nation's MC" Yoo Jae Suk. His score on the brand reputation index was at 2,594,795 for the month of December, showing an 18.28 increase in his score since November. His keywords and high-ranking phrases in the data included, "Running Man", "Antenna", and "How Do You Play?". The highest-ranking terms related to him were "selected", "announce", and "participate". Yoo Jae Suk's positivity-negativity analysis unveiled a whopping 84.01 percent positive reactions.

Another cast member of Running Man, Kim Jong Kook, also maintained his second place spot with a brand reputation index of 1,968,692 showing a 59.83 percent increase in his score since last month.

Rounding up the top 3 is Running Man's Song Ji Hyo who came in at the third spot with a brand reputation index of 1,724,228. It was a massive 107.65 percent increase in her score since last month.

Here are the top 30 for December's Brand Reputation Rankings:

1. Yoo Jae Suk
2. Kim Jong Kook
3. Song Ji Hyo
4. Lee Sang Min
5. Park Myung Soo
6. Lee Seung Gi
7. Ahn Jung Hwan
8. Kim Dong Hyun
9. Kim Joon Ho
10. Kim Gura
11. Kim Jong Min
12. Shin Dong Yup
13. Jun Hyun Moo
14. Super Junior's Kim Heechul
15. Kang Ho Dong
16. Yoo Hee Yeol
17. Seo Jang Hoon
18. Kim Sung Joo
19. Heo Jae
20. Lee Soo Geun
21. HaHa
22. Lee Kyung Kyu
23. Lee Dong Gook
24. Hong Hyun Hee
25. Kim Mi Kyung
26. Jung Joon Ha
27. Hyun Joo Yup
28. Jang Do Yeon
29. Cha Tae Hyun
30. Jung Hyung Don