8

8 is one of the group of 9 that represents the Scientist's humanity, He  is the brutish ruffian from the Scientist's personality. He wields the one half of a scissor and a knife as his weapons. He is a master of his weapons. He is the largest of the group, but is the least intelligent.

Trivia

 * 8 will meet Jimmy Neutron and the crew in Jimmy Neutron meets 9.
 * 8 will be resurrected and revived by Princess Twilight Sparkle, Princess Sunset Shimmer and Trixie.