CJ is the oldest son, and the second oldest child of the Casagrande siblings. He also has Down syndrome.
Carlos Jr. has Down Syndrome, and this can easily be spotted by his child-like actions, while in his teen years. He loves to play children's games like pirates and superheroes, and he can easily befriend any person, like Lincoln.
Carlos Jr. is a portly Latin-American teenage boy with black hair. He wears a yellow shirt, a black bow tie with red outlines, dark blue shorts, white socks, blue shoes with green laces, and a short red cape.