Montgomery Scott

Montgomery "Scotty" Scott is a engineer in the Star Trek franchise.

History
The Simpson family saw a trailer and clips from the latest Original Series film, Star Trek XII: So Very Tired, which depicts an elderly and senile cast. In the trailer Scotty is so overweight he can no longer reach the control panel in engineering.

wrote the autobiography I Am Also Scotty and portrayed Scotty on the front cover.

When Homer told his family about Mr. McGrew's Christmas Carol, they showed him a version of  where Captain Kirk wanted a report from Mr. Sulu. Sulu told him there appears to be some spirit from an Earth holiday past. That made Kirk ask Mr. Scott to fire the photon torpedoes but it was no use as he was showing visions of his future where he is fat. The captain was then angry and asked them to fire, and they did it.