Captain Joe Callisto is a character who appears in the Disney Junior series Miles from Tomorrowland. He is an intergalactic crime fighter uncle of Miles and Loretta Callisto and Brother to Leo Callisto. Joe Callisto is Leo Callisto's younger brother. Joe is a space guard, and he is always on the trail of the alien outlaw Gadfly Garnett. Every time Gadfly steals the latest technology, Joe puts him in jail.
Captain Joe is Miles' and Loretta's favorite uncle - especially Miles' favorite uncle.