Prince Peasley is one of the main characters in Mario & Luigi: Superstar Saga and Mario & Luigi: Superstar Saga + Bowser's Minions. He is the son of Queen Bean and the main hero of the Beanbean Kingdom as Mario and Luigi are the main heroes of the Mushroom Kingdom. He assists Mario & Luigi on their mission to stop Cackletta and Fawful and save the Beanbean Kingdom and the world.
Prince Peasley is really friendly, cheerful, brave, and always up for a challenge, however, he does have a tendency to underestimate Mario & Luigi. He is also highly narcissistic and sometimes up himself too but despite this, he does whatever he can to help his friends.
- In Mario & Luigi: Partners in Time, Prince Peasley makes a cameo appearance on a poster in the shop at present Peach's Castle.