Here are the top TV variety stars in terms of brand value rankings for December, based on big data analysis. 

From November 4 through December 4, 2021, the Korea Institute of Corporate Reputation analyzed big data of 50 currently promoting TV variety stars in areas including consumer participation, media activity, communication, social activity. and more.

The top 10 TV variety stars for this month are, in order: Yoo Jae Suk, Kim Jong Kook, Song Ji Hyo, Lee Sang Min, Park Myung Soo, Lee Seung Gi, Ahn Jung Hwan, Kim Dong Hyun, Kim Jun Ho, and Kim Gu Ra. 

Notably, the top 3 spots for the month of December went to fellow 'Running Man' co-stars Yoo Jae Suk (2,594,795 points), Kim Jong Kook (1,968,692 points), and Song Ji Hyo (1,724,228 points). In addition to 'Running Man', MC Yoo Jae Suk is currently also starring in variety programs such as 'Hangout With Yoo', 'Yoo Quiz on the Block', etc.