In the 2006 film Quinceañera, Magdalena’s cousin who lives with her family is named Carlos.
Carlos is part of the family and household structure surrounding Magdalena, whose expected quinceañera becomes complicated by her pregnancy. His presence helps the film present family life as a network of relatives with different experiences and pressures rather than as a single-parent or isolated teenage story.
The film also includes Carlos’s romantic relationship with another man, placing LGBTQ+ identity within the same family and neighborhood narrative. That thread was notable because it connects a traditional celebration with questions about acceptance, religion, and family belonging.
Carlos is a character’s first name, not the name of the actor who portrays him. The film’s character names can also be confused with names from other Latino coming-of-age dramas, so the answer is specific to Quinceañera.