2

2 (voiced by ????) is the creative and genius portion of the Scientist's personality. He is a kind, delicate old inventor. He is fascinated by garbage and scrap, and loves to explore the wastelands and look for parts for his inventions.

Trivia

 * 2 will be resurrected and revived by Princess Twilight Sparkle, Princess Sunset Shimmer and Trixie.
 * 2 along with 1, 3 and 4, 5, 6, 7, 8 and 9 became Princess Skyla's guardians.