Inventor

Inventors are scientists who create new things. Famous examples are Thomas Edison, credited with inventing the lightbulb or Pythagoreans, credited with inventing maths.

Inventors In Captain Underpants
Melvin Sneedly- He is known for making most of the inventions you may see in the Netflix show and the books written by Dav Pilkey since his father taught him how to invent stuff and how to be a scientist. He does cheat in some episodes like Captain Underpants and The Preposterous Pulverizing of the Pestering Poopabcra where Melvin used one of his inventions to make his monkey smarter so that he could not fail the test.

Melvin's Parents- Not much is known about Melvin's parents except they are scientists like Melvin and are as smart as their son, maybe even smarter due to the fact that they must be smarter since they are the parents of Melvin, The smartest kid in Jerome Horwitz (formerly Melvin Sneedly) Elementary.