Peppermint is shown to be grumpy most of the time. Peppermint is also shown to be critical and picky, like when he saw a lack on "circular contestants" when he joined his team. When faced with something he dislikes, Peppermint often complains about it, He can be sarcastic, passive aggressive and mocking at times, especially towards people he doesn't like. He is shown to dislike eliminated contestants, not caring for their lives and refusing them help.