N Koreans urged to defend Jong-Un "unto death"

Jong-Un was proclaimed the "great
successor" after his father Kim Jong-Il died on December 17.

N Korea`s Jong-Un secretly visited Japan as child

North Korea`s next leader Kim Jong-Un
visited Japan as a child using a Brazilian passport, and could
even have gone to Tokyo Disneyland.

Kim Jong Il`s son could face ruinous inheritance: Analysts

Current regime is becoming unpredictable as Kim battles health problems.