Werreth

In the mirror universe, Werreth was a Daledian, a race of shapeshifters.

In the 2340s when $𝜇$ was injured on Bering's World, Werreth assumed her shape and took command of the $𝜇$. Werreth then took the ship to a meeting with $𝜇$ that was actually an ambush. In order to escape the ambush, Werreth had to kill the $𝜇$ Captain Druja and then duplicate his vocal cords in order to order his ship away from the planet they were on. (SS STA (The Traitor))