Add some more details to what you know more about Carlson?

Carlson is a large, big-stomached man who works at the ranch, Carlson complains about Candy's dog and eventually offers to put the old dog out of its misery. George steals Carlson's gun to shoot Lennie after Curley's wife is murdered. Carlson isn't a bad person. He even shows a little sympathy to Candy before he shoots his dog. Carlson is your standard practical ranch worker.