For the primary universe counterpart, see Chu'lak.

In the mirror universe, Chu'lak was a Vulcan male who lived during the 23rd and 24th centuries. He was a member of Memory Omega.

In 2376, Chu'lak travelled to Terok Nor to meet with fellow Memory Omega member Keiko Ishikawa. Chu'lak gave her intelligence on the Alliance, as well as a calligraphy cup from her mother. Chu'lak commented that Ishikawa's position as one of the leaders of the Terran Rebellion was now free of dissent. As he left, Chu'lak gave Keiko the traditional Vulcan salute, which Ishikawa returned in kind. (DS9 - Mirror Universe short story: "A Terrible Beauty")

In 2377, Chu'lak was with Tuvok when Kes escaped Memory Omega. (ST - Mirror Universe novel: Rise Like Lions)

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