Johannes Voldemar Üksi (December 14, 1891 – August 10, 1937) was an Estonian writer and actor.
[2] From 1913 to 1918, Üksi worked as a messenger boy and an actor.
[2] During the First World War, he was the commander of Toompea Castle in 1918.
[5] As a writer, Üksi's main work is a collection of visionary prose pieces that fluctuates between delirium and spiritualism, Kummalised novellid.
[5][6] Üksi died of esophageal cancer in Tallinn in 1937.