Name: Kim Jong Un
Job: leader of North Korea
Key traits: massive ego, reacts harshly, hates personal insults.
A psychological profile of Kim, conducted by the United States Central Intelligence Agency, makes the dictator sound like an unpredictable teenager.
It may also help explain the situation the North Korea and the US are in.
Stuff.co.nz says the descriptors used for Kim seem just as suitable for describing the US President, Donald Trump.
Earlier today, North Korea's foreign minister said Trump had declared war.
Trump had tweeted about the minister in the latest escalation of drama between the two countries.
The CIA says Kim has "a massive ego and reacts harshly and sometimes lethally to insults and perceived slights.
His father, Kim Jong Il and grandfather Kim Il Sung were leaders of North Korea before him.
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