Goddard is Jimmy Neutron's robotic pet dog as well as the deuteragonist of the series. He is said to do eleven million things. When Jimmy is in trouble, he sends out a distress call to Goddard, who is usually already in a fix. Goddard is equipped with a large variety of inventions within himself for Jimmy's use. Said inventions are usually displayed whenever it would serve the plot to cheat Jimmy's way out of trouble. He also gives Jimmy options to choose from when he didn't know what to do.
Goddard is mostly silver. He has a multi-colored cranium, filled with energy. He has a robotic tongue and yellow snout. The dog has two ears, made of metal, and four legs. The character also has a small tail.