5

5 is the Healer part of the Scientist's personality. 5 is caring, nurturing, and the loyal, bighearted "common man" who always tries to play the peacemaker.

Trivia

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