Since I don't have enough information about the particular novel, I can't provide the last name of Gordo. It could be that this is a relatively unknown or very specific reference within a certain genre or niche of literature. Maybe if you could give some more details about the type of novel or the plot, it would be easier to answer.
The 'amigo brothers' story is about two best friends who are also boxers. They have to face each other in a boxing match. Despite their friendship, they are both determined to win. In the end, they show great sportsmanship and their friendship remains intact.
The scariest might be the story of the headless miner. It's said that he lost his head in a mining explosion. His headless body is seen wandering the tunnels, and sometimes people can feel his cold presence even when they can't see him. It gives a really eerie feeling especially when you're in the dark and narrow mine passages.
The Goofy origin story dates back to Disney's creative minds. He was created as a fun and somewhat clumsy character. He first made his appearance in cartoons, and was designed to bring humor through his bumbling yet endearing ways. His unique look, with his long snout and floppy ears, was part of what made him stand out. He often found himself in comical situations, whether it was trying to dance or perform simple tasks, which endeared him to audiences around the world.