$PUFF
Elon Musk, named the spacecraft after the 1963 song "Puff, the Magic Dragon" by Peter, Paul and Mary, reportedly as a response to critics who considered his spaceflight projects impossible. In 2008, during the depths of the Global Financial Crisis, Musk confirmed that the association between the song and marijuana was the reason behind the name Dragon, saying that "so many people thought I [must be] smoking weed to do this venture."