Kpop 4d Idols. 4D is Korean slang for someone who has a weird eccentric personality. Japan being a close neighbor to South Korea many kpop idols are from Japan.
Aside from that he. Henry Facts and Ideal Type Henry 헨리 is a Chinese-Canadian solo singer. It is a very ditsguishing personlaity as well.
If I had to start describing Heechul Id start.
There is a K-pop idol in all of us. So many people from different countries have fallen in love with it. Usually these people are known to be the funny outgoing weird creative talkative ones in. When people describe an idol having a 4D personality it is a compliment.