Donghyun was born in 2007 and is the youngest in the family. He is currently 18 years old. He works as a model, but in his free time he draws and takes photographs of places. He is loved by everyone in his family and also by his friends, he is very outgoing. He is the son of Lee Suho and Lim Jukyung, and is also the brother of Lee Sunoo and Lim Nayeon.