A man watches a television showing news coverage of the reported execution of North Korea's defense minister, Hyon Yong Chol, at a railway station in Seoul on Wednesday. Ed Jones/AFP/Getty Images hide caption

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People watch a TV news program showing Kim Yo Jong, North Korean leader Kim Jong Un's younger sister, at Seoul Railway Station in Seoul, South Korea, in November. She has reportedly married the son of the ruling party secretary. Ahn Young-joon/AP hide caption

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James Franco (left) and Seth Rogen in The Interview. The North Korean dictator promised "merciless counter-measures" if this film was released. Ed Araquel/AP hide caption

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He's one of a kind: North Koreans cannot name their children Jong Un, and those who already share Kim Jong Un's name must change it, according to a newly confirmed directive from the country's government. Ng Han Guan/AP hide caption

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A photo released Monday by the Rodong Sinmun, newspaper of the ruling Workers' Party, shows North Korean leader Kim Jong Un walking with a cane as he visits a residential area in Pyongyang. Rodong Sinmun/EPA/LANDOV hide caption

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Balloons launched by North Korean defectors carry anti-Pyonyang propaganda along with U.S. dollar notes and DVDs into North Korea near the demilitarized zone. Kim Chul-soo/EPA/Landov hide caption

itoggle caption Kim Chul-soo/EPA/Landov

North Korea's National Defense Commission Vice Chairman Hwang Pyong So, middle, waves as the country's athletes march at the end of the Asian Games. He's flanked by Workers Party Secretary Choe Ryong Hae, right, and South Korea's Kim Kwan-jin, left, national security adviser to South Korea's president. Dita Alangkara/AP hide caption

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People watch a TV news program showing North Korean leader Kim Jong Un, right, and Kim's uncle, Jang Song Thaek, circled in red, at the Seoul Railway Station in South Korea on Dec. 3. Ahn Young-joon/AP hide caption

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