Miguel Cap (born March 11, 2030) is one of the adopted sons of Matthew and Marci Cap. He and his vigintuplet siblings Blanca, Monica, Carlos, Gemma, Rico, Silvia, Jordi, Julia, Aaron, Beth, Javier, Tina, Antonio, Patricia, Raul, Aitana, Rubén, Candela and Sergio were born in Madrid, Spain. When he was 1 1/2 years old, he lost his biological parents, who were killed in a car bombing by a terrorist group called ETA. They were placed in an orphanage until a week after their third birthday, when they were adopted by Matthew and Marci.
- Father: Matthew Cap
- Mother: Marci Cap
- Brothers: Carlos Cap, Rico Cap, Jordi Cap, Aaron Cap, Javier Cap, Antonio Cap, Raul Cap, Rubén Cap, Sergio Cap
- Sisters: Blanca Cap, Monica Cap, Gemma Cap, Silvia Cap, Julia Cap, Beth Cap, Tina Cap, Patricia Cap, Aitana Cap, Candela Cap
- His full name is Miguel
- For Halloween 2033, he dressed up as