Spirit is casually silly and acts like a lovesick idiot with high energy. He's known for his flaw of being a womanizer, finding entertainment in being surrounded by women. Despite is womanising behaviour, he’s shown a more serious side, especially considering his daughter Maka’s safety. He’s a compassionate and kind person. He and his ex wife broke up because of his infidelity, which has left him regretful, especially after Maka’s withdrawal from him. 