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Jimmy Neutron
Jimmy Neutron
Gender: Male
Species: Human
Age: 10
Hair color: brown
Eye color: blue
Personal Information
Affiliations:
  Jimbo (by his dad), Nerdtron (by Cindy), Johnny Quasar
Residence:
  Retroville
Homeworld:
  Earth
Aliases:
  Carl Wheezer, Sheen Estevez, Nick Dean, Cindy Vortex (girlfriend), Libby Folfax, Goddard, Betty Quinlan (love interest), Timmy Turner, Cosmo, Wanda, Danny Phantom, SpongeBob SquarePants, Sally Amber, Brobot
Love Interests:
  Cindy Vortex (girlfriend), Betty Quinlan (love interest)
Interests:
  Science, experiments, inventing, his smarts, school, math, winning, saving the day, having fun with his friends, goofing off, adventures, safety, discovery, showing-off (sometimes), Cindy, Betty, April, playing pranks on his friends, the primary colors
Family
Parents:
Hugh Neutron (father), Judy Neutron (mother)
Siblings:
Brobot (adopted brother)
Pets:
Goddard (dog)
Production Information
First Appearance:
  "Runaway Rocketboy!" (1998)
Last Appearance:
  Nicktoons MLB (2012)
Voiced by:
Debi Derryberry

James Isaac "Jimmy" Neutron is the titular main protagonist of the Jimmy Neutron franchise. He is named after the scientists James Isaac Newton, and James Chadwick, who was nicknamed "Jimmy Neutron" because of his very first discovery of the neutron.

Jimmy is a young genius inventor, but his inventions seem to cause more destruction than anything and it is usually up to him to stop them. He lives in Retroville with his robot dog, Goddard, and his parents Hugh, a bumbling car salesman and duck-lover, and Judy Neutron. His best friends are: dim-witted and overweight Carl Wheezer, robot dog Goddard, his on and off girlfriend Cindy Vortex, hyperactive Ultra-Lord loving Sheen Estevez, sensible and music loving Libby Folfax, and cool and suave Nick Dean, all of whom he usually takes on adventures and crazy expeditions and serve as a perfect foil to Jimmy's brilliance.
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