Carlitos Casagrande is a recurring character that first appeared in The Loudest Mission: Relative Chaos. He is the youngest son and the youngest child of the Casagrande family. Carlitos is a joyful and curious baby who likes mocking his family, pets, and guests. He is often seen playing happily with plush toys or animatronics like the blue whale in our fanart Loud House cursor. The boy is smart enough to understand the concept of a secret and uses sign language to communicate.