Becky Thatcher: The Heartbreaker Have you ever wished that you could go back to the past and undo a mistake you did? Becky Thatcher has, and she has done it more than once. In The Adventures of Tom Sawyer, by Mark Twain, Becky makes mistakes and then regrets her actions that she wishes she could take back and never do. Even though she is a character in the book, Mark Twain does a wonderful and spot-on job of how Becky and the other characters would be in real life. Although Becky can be stubborn and regretful, she can be thankful at times. Becky Thatcher is a stubborn, little girl. In one part of the book Tom Sawyer is trying to impress her, but she just turns her head without even acknowledging his presence and says “ Mf! some people think