Alejo Otero is a pen-pal of Fred from Mexico.
Trivia[]
- Alejo will meet Winnie the Pooh and his friends in Pooh's Adventures of Scooby-Doo and the Monster of Mexico. He will reveal to be Carlos' uncle because Carlos' father is brother of Alejo's wife Sofia.
- Alejo will meet Ash Ketchum and his friends in Ash's Adventures of Scooby-Doo and the Monster of Mexico. He and his wife, Sofia will be a father and mother figure to Ash and his friends.
- Alejo will meet Tino Tonitini and his friends in Tino's Adventures of Scooby-Doo! and the Monster of Mexico.
- Alejo will meet Littlefoot and his friends in Littlefoot's Adventures of Scooby-Doo! and the Monster of Mexico.