Alex Russo is the central character in the Disney Channel series 'Wizards of Waverly Place.' She is known for being rebellious, sarcastic, and mischievous. Alex prefers to rely on her wits and magic rather than studying. She dislikes authority and has a competitive streak, often leading to conflict with her siblings. As a character, Alex is fiercely independent and confident, and yet she deeply cares for her family. She is frequently in opposition to Professor Crumbs, her strict magic professor. Despite her initial resistance to responsibilities, she grows throughout the series, showing a sense of maturity and loyalty to her loved ones.