==Background info==
Doyoung is a mischievous, cheeky and cheesy mouth boy. He doesn't shy away from saying some absurd stuffs, which makes him childlike sometimes. He is friendly, and open to new encounters, new friendships and environment. He smiles a lot and his smile is bright. He has a peculiar taste in fashion with touch of extravaganza. He loves to outstand everyone's expectation, he wildly mixes fashion items and tries them on himself.
Doyoung, or Sam, his chosen English name, is a self claimed homebody, albeit friendly, ; he likes to spend time indoor with his family and group mates. He is a active boy, he enjoys out door activities, ; he has always maintained a healthy looking body proportion.
Doyoung is a planner, he believes in drawing out the route to target goals. He doesn't like to waste time. So he plans. He is also an achiever. When he took the MBTI test for TREASURE's Fact Check content, he got ENTJ, which are Extrovert - Intuitive - Thinking and Judgement. He claimed claims to be a skeptic, he doesn't believe in other worldly spirits.
Doyoung has a nickname, Dobby. His fans are called Dobbies.