General:

• Real Name: Lee Jinki (이진기) 
• Birthday: December 14, 1989
• Blood type: O
• Height: 177cm
• Hometown: Gwangmyeong, Gyeonggi-do
• Nicknames:
  Dubu (두부 / Tofu)
  Onleader (온리더 / Onew + Leader)
  Ontokki (온토끼 / Onew + Rabbit)
  Jinggiseukan (징기스칸 / Jinki + Genghis Khan)

Past:
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• His childhood dream was to become a scientist or architect and also a Lego model designer
• During elementary school he was a lively kid that would run around on the playground on days off
• His very best friend is from elementary school and 2 are from junior high.
• Onew would bring food from his parents’ shop to share with his classmates.  
• One of his earliest memories is falling down on the stairs.
• He was constantly bullied by a neighbor boy when he was very young
• He taught himself how to play piano
• When Onew was younger he went to CD game shops just to play games for free. 
• He once won a giant stuffed bunny in a claw game
• Instead of playing with friends, Onew would help his parents out at work
• Once in middle school, he ate 3 servings of ramen each day for two months
• Onew studied at SM Academy
• While he was in high school and the academy, he would also do part-time jobs
• After school he would go straight to SM academy to train. After training he would go home and jump rope
• Onew used to have really long hair, and tied his hair up with the filigree, the golden strip thing used to package bread. 
• Onew used to take care of chicks. He would pretend to feed them without letting them eat the food.  
• He graduated from Gwangmyeong Information Industry High School 2nd in his class
• During training, he was the first to give Taemin vocal lessons

Family:
(Mother, Father)

• Born into a middle class family that owned a meat shop
• Onew would write letters to his parents since they always came home so late from work and he never got to see them
• His mother runs a restaurant
• His mother made 15,000 paper cranes for her son
• His parents supported him with his career choice
• Onew admires his parents very much
• None of his grandparents are still living and he only ever met his maternal grandmother
• Onew bought his father his first car and is going to buy his parents a house

Random:

• Onew loves chicken very very much
• He thinks he is only better looking than a dog
• He likes monotone colors: white and black
• Onew is attending Chungwoon University
• He wants a car
• Onew kissed his male co-star in the Brothers Were Brave musical
• His favorite season is spring
• Onew likes to play billiards
• Onew collects his air tickets from his overseas trips
• Someday he wants to build a house surrounded by nature
• Onew can crack a walnut with one finger (Onew ttakbam)
• Onew can’t sleep with the light on.
• Onew’s most precious thing is his voice.
• Onew has the phone numbers of SNSD.
• He knows how to knit.
• He doesn’t like mosquitoes
• Onew thinks his fingers are short and thick like beef steak
• Onew likes spicy food
• Onew used to roll over into Taemin’s bed when sleeping
• He’s allergic to melons, watermelons, cucumbers and anything similar
• Onew is very good friends with MBLAQ’s Joon
• Onew feels like he has sixth sense to predict when it will rain.  
• Onew likes extreme stuff, like mountain climbing and para-sailing.  
• Onew says the words “you”, “I” and “like this” very often when talking. 
• While the others say that they practice singing, dancing and/or study Japanese on their break, Onew mostly sleeps.  
• He is good at making scrambled eggs
• He used to have his ears pierced
• Onew admits that he has a bad stamina.
• Onew prefers strawberry milk over chocolate milk. 
• Opera makes Onew cry when he listens to it.  
• Onew’s life goal is to have a happy marriage life. 
• Onew likes to throw Taemin on the bed. 
• When Onew first saw a ghost (that looked a lot like Minho), he couldn’t stop shivering for 5 minutes.  
• Onew sleeps with the blanket covering him from head to toe. And because of that, he wakes up covered in sweat.  
• Out of all body parts, Onew is most pleased with his eyebrows. 
• Onew is a livelier person off camera
• Onew couldn’t sleep for many nights because he wanted a BB gun and he didn’t know where to buy it from. 
• Onew would like to study psychology.  
• Whenever Onew sees someone really skinny, he gets anxious and wants to feed them. 
• Onew’s first kiss was with a sheep.  
• Onew brings a rubix cube around and does it when he’s bored. 
• Onew has two MP3s in his bag because he’s scared that the other one will run out of battery.  
• He needs glasses/eye correction
• He doesn’t like being interrupted when reading
• Onew will wake up early to make roast meat for Taemin. 
• Onew is scared of holding babies/animals since he dropped a puppy when he was a kid. 

source (c)