Watson

From Memory Alpha, the free Star Trek reference.

You may also be looking for Dr. John H. Watson, Sherlock Holmes' assistant.

Watson was a crew member of the USS Enterprise in the 2260s. After he discovered Kryton attempting to blow up the warp drive, Kryton killed him by breaking his neck. (TOS: "Elaan of Troyius")

Watson was played by Victor Brandt.