I love Tuvix!
Tuvix was a hybrid being created as the result of a transporter accident on the USS Voyager, combining Lieutenant Tuvok, Neelix, their uniforms, and an orchid in 2372.
Behold the tragic story of Tuvix (from Voyager fandum)
The accident was the conclusion to an away mission to collect some orchid samples. Only one molecular pattern rematerialized, and formed a healthy organism combining everything regarding Tuvok and Neelix, including organs, enzymes, and memories. According to The Doctor, Tuvix also possessed: “…Tuvok’s sense of intellectual superiority, and Neelix’s annoying ebullience.”
The Doctor told Tuvix that it might be many years before he could find a way to separate them – in the meantime, Tuvix was invited to become a member of the crew, and given the rank of Lieutenant.
Captain Janeway noted in her captain’s log that Tuvix managed to gain friends among the crew in his own right, and was a very able tactical officer who wasn’t afraid to voice his opinion. She also noted that Tuvix was an able advisor who cleverly used humor to make a point, and his food was better than Neelix’s.
It took The Doctor almost a month, but he found a way to reverse the accident, by using a radioactive isotope which would attach to the DNA strands of one of the merged species, but not the other. By beaming out the segregated DNA strands, the transporter would have the original DNA strands necessary to restore the two individuals.
Tuvix announced that he didn’t want to die, feeling that he had just as much right to exist as any other being. He explained to Janeway that, while he did care about Tuvok and Neelix (regarding them as his ‘parents’), this also gave him the will to live of two men, and he didn’t want to die.
However, The Doctor refused to perform the procedure; as a physician, he had sworn an oath to do no harm, and he refused to take Tuvix’s life, especially against his will. Janeway herself, therefore, performed the process. It was a success, and Tuvok and Neelix were restored, although Janeway was forced to live with the ethical conundrum around the difficult decision.
So Tragic! Tuvix deserved better!