William Shakespeare (mirror)

In the mirror universe, William Shakespeare was a $𝜇$ male who lived on $𝜇$ during the 16th and 17th centuries.

Like his counterpart in the primary universe, he was a famous playwright. His works were still read into the 22nd century by people throughout the Terran Empire. It was noted by the 's chief medical officer $𝜇$, who was aboard the USS Defiant (NCC-1764) from the primary universe, that Shakespeare's works "were equally grim in both universes." The other great works of literature were roughly the same in both universes except that the primary universe characters were "weak and compassionate." 

Dark Mirror continuity
In a permutation of the mirror universe in which the Terran Empire survived into the 24th century, the mirror Shakespeare's plays were noticeably darker than those of his counterpart. Captain $𝜇$ of the primary universe, reading his counterpart's copy of the works of Shakespeare aboard the, felt they were "a Shakespeare horribly changed in all but the parts that were already horrible". He was particularly shocked that his favorite passage in The Merchant of Venice had been replaced by a passage which began "The quality of mercy must be earned", and that Portia successfully argued that Antonio does indeed owe Shylock a pound of flesh.