What is the name of a Communist leader?

These are the current commmunist states and their leaders:

China (Hu Jintao - since 2003),

Cuba (Raúl Castro - since 2008),

Laos (Choummaly Sayasone - since 2006),

Vietnam (Nguyễn Minh Triết - since 2006),

North Korea (Eternal President of the Republic - Kim Il-Sung, Supreme leader of North Korea - Kim Jong-Il (since 1994)