North Korea
Kim Jong-un of the Kim dynasty is the current Supreme Leader or "Suryeong" of North Korea. He heads all major governing structures: he is Chairman of the Workers' Party of Korea, Chairman of the State Affairs Commission of North Korea, and Supreme Commander of the Korean People's Army. His grandfather Kim Il-sung, the founder and leader of North Korea until his death in 1994, is the country's "Eternal President", while his father Kim Jong-il who succeeded Kim Il-sung as leader was announced "Eternal General Secretary" after his death in 2011.
Eternal leaders of North Korea
The functions and powers previously belonging to the President were divided between three officials: the head of government, the Premier of North Korea; the speaker of the legislature, the Chairman of the Presidium of the Supreme People's Assembly; and the head of the military, the Chairman of the National Defence Commission (replaced by State Affairs Commission of North Korea in 2016) and Supreme Commander of the Korean People's Army, all of which are currently held by Kim Il-sung's grandson, Kim Jong-un.