The pair's name comes from the Korean word, "Daengdaeng-i" (댕댕이), which means "dog". Yuri, in the pair, is the "little puppy (작댕)" and Yujin is the "big puppy (큰댕)".
|Name||Birth Date||Position||Final Rank||Label||Color|
|Jo Yu Ri||October 22nd, 2001||Main Vocalist||3||Stone Music Entertainment||Orange|
|An Yu Jin||September 1st, 2003||Lead Vocalist, Lead Dancer||5||Starship Entertainmet||Blue|