So Sheldon should be an honourary member of the team, I'm thinking.
And to change the topic slightly - i can't resist adding 3 favourite villains - Q, the Borg, and Tribbles. In defense of adding to the topic, you need strong villains to bring out the heroic in the dream team - yin and yang so to speak.
Would Kirk, in truth, be actually a villain, I wonder?
c.