He was born with a high IQ and was eager to learn. So he read a lot of books and he understood everything and so he learned a lot and that is what you call smart, I guess.
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In the episode "Clash of the Cousins," it was stated that there was a "genius gene" that ran in the Neutron family, and only him and Baby Eddie (his evil cousin) had it.
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Jimmy Neutron's name is believed to originate from the scientist who discovered the Neutron , James Chadwick . Jimmy's full name , James Isaac Neutron , is a reference to the famous scientist Isaac Newton.
Sheen Juarrera Estevez (Jeffrey Garcia) .
Yes , James Isaac "Jimmy" Neutron was voiced by Debi Derryberry .
It was in the jimmy neutron movie
I'm sorry, but no. That is scientific impossible.
I think that Carlton "Carl" Wheezer is a likable character .