I'm not sure as the details of 'the big catch story' are not given. But it could be a fisherman as the main character if it's a fishing - related story.
Since I don't know the exact 'game of catch story', it could be a group of children. Kids often play catch, so they might be the main characters.
Since we don't have the full story, it could be a young adventurer as the main character. Someone full of curiosity and courage, eager to reach for the stars.
The main characters in 'Catch 22' include Yossarian, a bombardier who is desperate to escape the war's clutches. He is a very relatable character as he battles against the absurd rules of the military. Milo Minderbinder is also a main character. He is a mess officer who is more interested in making money through his various business deals within the military context. Then there's Major Major Major Major, a character whose name is a satirical take on the military's hierarchical and often nonsensical nature. There are other characters as well, like Doc Daneeka, who add to the overall picture of the chaotic and absurd world of the novel.
There could be a mentor - like figure as well. In stories where the main character is on a difficult quest, there is often someone who gives advice or guidance. So in 'catch the moon short story', it might be an old man or woman who has some wisdom to share with the protagonist. Also, there could be antagonists, people or things that are in the way of the main character achieving their goal of 'catching the moon'.
Yossarian is one of the main characters. He is a bombardier in the Air Force during World War II and is constantly trying to avoid the deadly missions.
Yossarian is one of the main characters. He's a bombardier who is really tired of the war and the senseless rules. He's constantly trying to find a way out of flying more missions.
Yossarian is one of the main characters. He is a bombardier who is constantly trying to escape the madness of war and the military bureaucracy that surrounds him.
Since we don't have much information about the story itself, it's hard to say exactly. But we can assume that there is a trickster, who is likely to be one of the main characters. There might also be someone related to the 'catch of the day', like a fisherman or a person who was supposed to receive the catch.
There are two crucial characters. One is the young con man who is brilliant at forging and fraud. He can blend into different situations easily. The other is the FBI agent. He is determined to bring the con man to justice. He spends a lot of time and energy trying to figure out the con man's next move and catch him.
Since I don't know the specific 'Catch If You Can True Story', it's difficult to say. But it could be a detective and a criminal.