Phineas Flynn: Phineas is the main Protagonist of the series. He is the General for the Army Fusion Heart. His main partner is Shoutmon. Candace Flynn: Candace is Phineas' big sister. She is the deutarogist of Season 1. Her "partner" is Cutemon. Jake Reynolds: Phineas' self proclaimed rival. He is the tritagonist of Season 1. He is good at Karate, like Phineas. His "partner" is Ballistamon.