Jack thinks that he is some tough high and might being but really he is just being sensless and putting himself in danger. He is trying to look like a better leader than Ralph by seeming braver even though that has nothing to do with why Ralph doesn't think they should go, and smarter, even though he isn't.
You should try to add adjectives. For example:
1) The hardworking farmer
2) A gorgeous lady
3) The playful puppy
4) A mysterious detective
Just suggestions. :)
C.Tyrone has two dogs, however they aren't the same breed.
He had many manners and he was always lending his money out to people for any apparent reason just to try to beat someone in a bet.
Some themes you might consider in the play include:
Greed
Power and ambition
What it means to be masculine and feminine
Trying to persuade
Idealism
What it means to be a (good/bad) leader
The importance of omens
The difference between villains and heroes
