Eric Cooper (Undine)

A member of the Undine species impersonated the human Dr. Eric Cooper for a brief period in late 2409. 

Biography
During an expedition into fluidic space in 2409 led by Rear Admiral Tuvok, the original Dr. Cooper was assigned to the USS Venture (NCC-71854-A). The Venture came under attack by first the Borg, then the Undine, and was destroyed. Cooper was replaced by an Undine who took his place in an escape pod and presumed killed, and the ersatz Cooper was collected by the other ships in the expedition. 


 * ''The rationale for placing the original Cooper's replacement at this point is a line by Cooper when his escape pod is picked up by the player character. He states that the Undine attackers "were so strong, and we were so weak", in clear reference to the Undine war cry "The weak will perish!"

The fake Cooper took part in the disastrous attempt to activate the Iconian gateway in the ruins underneath New Romulus later that year. 

By the time of the conflict in the Solanae Dyson sphere against the Voth, the Cooper Undine had begun using his telepathic abilities to beguile Tuvok. Later it became trapped with Tuvok aboard a space station near the Dyson sphere's star and was rescued by a Dyson Joint Command captain. While aboard USS Dyson afterwards, it attacked Tuvok and escaped the vessel to an Undine bioship. 

In 2410 the Cooper Undine mentally attacked Tuvok during the Undine invasion of the Sol system. Tuvok was able to turn the tables and discovered that the Sol attack was a diversion and the true target was Qo'noS. 

Background
"A Step Between Stars" has a plot hole involving the Cooper Undine. In "Diplomatic Orders" the Undine refuses to use a transporter because it will reveal him. However, no comment is made when the Cooper Undine is beamed aboard the Dyson.