CJ is the oldest son and the second oldest child of the Casagrande siblings. He suffers from Down Syndrome.
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.
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.