Mikaela Banes is a fictional character from the Transformers film series, first appearing in the 2007 movie. She is portrayed by actress Megan Fox and is depicted as a high school student who becomes involved with the Autobots, a group of heroic robots. Mikaela is known for her resourcefulness and bravery, often assisting the Autobots in their battles against the Decepticons. In the films, Mikaela develops a romantic relationship with the main character, Sam Witwicky, played by Shia LaBeouf. Her character is significant for showcasing a strong female presence in the action-packed storyline, contributing to the overall narrative of friendship and teamwork among the characters.