Big Macintosh has a rather calm and easy-going demeanor in contrast with that of his sister, Applejack. He is a person of few words and, like the rest of his family, he speaks with a Missouri Ozarks-like accent.
Though he typically speaks few words as mentioned above, Big Mac demonstrates an articulate vocabulary, speaking far more eloquently than normal. He is also portrayed as very talkative and snarky as a teenage he is also clingy. Possessive. Jealous