North Korea: 10 things you didn't know about Kim Jong-un
1. He doesn't defecate - at least according to an official North Korean state website biography.
2. He went to a Swiss boarding school where he was described as 'shy' and 'retiring.'
3. His buzz haircut is said to have sparked queues outside North Koreans by men seeking the same look.
4. His birthday was earlier this month, allegedly he was 31, but who knows - he could be 50.
5. He loves basketball and former US player Dennis Rodman has visited the secretive state on more than one occasion, most recently earlier this month. (Journalist Matt Cooper also went along)
6. A childhood romance with a singer was ended by his father.
7. Some believe his current wife is a re-branded version of her.
8. At age 28 (if indeed he was) he was made the youngest ever head of state in December 2011.
9. He loves Nike sneakers.
10. January 1 has been declared a national holiday in his honour.