Fulton Gearloose is a fictional character from the Walt Disney comic books. He is the son of Ratchet Gearloose and the father of Gyro Gearloose.

He was first mentioned in Guardians of The Library in Uncle Scrooge Adventures #27 as the inventor of The Junior Woodchucks Merit Badge.

He first appeared in person in The Life and Times of Scrooge McDuck Part 10 as a young child and one of the first three Junior Woodchucks.

He appears as an adult in the story Gyro's First Invention.