During their Naver 'V' app broadcast on December 16, Gugudan surprised fans by revealing their official fan club name for the first time. Now, fans of Gugudan are referred to as 'Dan-jjak', or 'Dear Friend'!

Jellyfish Entertainment shared more about the fan club name, stating, "It means that the fans and Gugudan are going to be best friends. Dear friends, who are going to be Gugudan's best friend forever! Let's create lots and lots of happy and joyful memories together~ :)"

Who's ready to be Gugudan's dan-jjak? 

#??? #?? #??? #???? #?? #Dear_Friend ??! #???? ???? ????~ pic.twitter.com/eLfLXGYxaD

— gugudan(???) (@gu9udan) December 16, 2016