He feels terrible and wishes he wasn't on the ranch; perhaps this was a reason for him to want to go off with George and Lennie to escape the people and conditions of the ranch.
He doesn't want any interaction with anybody because his only friend it would seem has just been shot, and he regrets letting Carlson. Steinbeck makes the reader feel just as sad because they know how much the dog meant to Candy.
The swamper, Candy, is missing one of his arms.
He felt guilty as he wanted too do it and of course he was upset as it was his only friend and one he trusted.
Carslon is the ranch hand. He also shoots Candy's dog out of its misery in the beg of the book.
In the book ye is known as the old swamper especially in section 2 of the book but he hasn't got a nickname in the movie.
His penis. No, read the book.
A ranch worker who convinces candy to let him kill his dog because the dog is not worthless and in pain.
Candy
In Of Mice and Men, George is noted from the start as the sharp, practical one of the two. When Candy tells George that has the savings to join in the plan, George says that he will consider it but makes Candy promise to keep it secret, so George, Lennie, and Candy make a pact to keep their dream to themselves.
Candy asked for some painkiller to help with his stomach ache in "Of Mice and Men."
because they killed his dog
Candy
im pretty sure that candy finds curley's wife when Lennie broke her neck