| Aunt Clara | Lennie's aunt, cared for him until her death, gave him mice to pet |
| Candy | swamper, one armed ranch handyman, offers savings help buy farm, owns an old dog |
| Carlson | ranch hand, complains about Candy's dog, owns a gun |
| Crooks | black stable-hand, crooked back from an accident, isolated because of race, wants to join the farm group |
| Curley | son of the ranch owner, wears high-heeled boots to distinguish himself from the ranch hands, champion prize-fighter, confrontational, mean-spirited, picks fights, possessive and jealous of his wife. |
| Curley's wife | dresses in fancy red shoes, lonely, men think she is a tramp, temptation for the men, name never mentioned |
| George | small and wiry, cares for Lennie, working to get money to buy a farm |
| Lennie | large childlike migrant worker, loves animals and soft things, wants to own rabbits |
| Slim | skilled mule driver, respected on the ranch, others look to him for advice, quiet, insightful, comforts George |
| The Boss | owns the ranch, father of Curley, seems fair-minded |
| Whit | ranch hand |
Drag corresponding items onto each other to make them disappear.
Start Game