Sam Drake, between his brother Nathan Drake, seems to be more level-headed, grounded and optimistic, but at times just as impulsive and reckless as his brother, as well as with a dry sense of humor.  Later, he and his brother dedicated their lives to discovering and exploring the lost treasures of the world. In addition, Sam has a view of the world and the mind of a thief.  When pushed around, Sam is not afraid of cold-blooded and ruthless survival tactics. Has a nicotine addiction.