Luis Otero is the brother of the hotel manager, Alejo Otero.
Trivia
- Luis Otero will meet Winnie the Pooh and his friends in Pooh's Adventures of Scooby-Doo! and the Monster of Mexico. Luis will reveal to be Carlos Ramon's Uncle.
- Luis Otero will meet Ash Ketchum and his friends in Ash's Adventures of Scooby-Doo! and the Monster of Mexico.
- Luis Otero will meet Tino Tonitini and his friends in Weekenders Adventures of Scooby-Doo! and the Monster of Mexico.