Jack-Jack is a cute little baby that has light brown hair on his head, a red superhero suit with The Incredibles logo, and a black superhero mask around his blue eyes from the Disney Junior film Disney/Pixar's The Incredibles, He dosen't speak on the Goanimate series, he only makes baby noises.

He was born on April 4, 2003.

And Jack-Jack lives with two other kids named Violet and Dash.