• his birth name is Na Jae Min (나재민)
• born in Jeonju, South Korea on August 13 2000.
• he was born in Jeonju and then came straight to Seoul where he grew up.
• a leo *cough* my type *cough*
• he's the lead dancer, lead rapper, center, and visual of the group.
• likes to playing piano, cooking, and laying down while listening to music in the dorm, if he wasn't an idol, he would be a surgeon.
• loves skinship, full of energy, but his mood changed drastically, he can be really quite.
• he is the only child.
• likes dog (especially samoyed), has a skill in photography, also has a passion and interest in Photoshop.
• coffee addict. he used to drink his americano coffee with 8 shots without any water 6 times a day.
• doesn't really care about his image of being an idol (often make silly expression but cute tho.)
• he can't digest dairy foods well in general, and hate strawberry-flavoured foods or artificial strawberry flavouring.
• he was doing volunteer work when SM Entertainment (the agency) casted him.
• became a trainee on the exact same day with jeno, in the same building, 3 hours different only.
• he's also a part of NCT U.

there's so many compilation videos about him, but you can try to know him better by these videos on youtube:

• jaemin being extra for 12 minutes straight
• na jaemin has no right being THIS funny
• when jaemin loses his patience

also go check his instagram as well~ @na.jaemin0813