What character becomes Burris Ewell's foil?

In "To Kill a Mockingbird," Atticus Finch can be seen as Bob Ewell's foil. Atticus is a principled and moral figure who stands up for justice and integrity, while Bob Ewell is dishonest and prejudiced, representing the opposite values. This contrast helps to highlight Atticus's strong moral character and the injustices present in the town of Maycomb.