Jack Kline

Jack Kline who is the Nephilim son of Lucifer and a human woman, Kelly Kline. Introduced as a powerful being with immense potential, he becomes a key ally to the Winchester brothers, Sam and Dean, eventually ascending to become the new God after absorbing the power of the original God. His storyline follows his journey from a chaotic, powerful being to a benevolent ruler of the universe, proving to be more noble than his demonic father is characterized by a unique, often childish personality stemming from his status as a newly born Nephilim half-angel, half-human in a fully grown body. Despite his immense, often dangerous power, he is frequently depicted as innocent, naive, and experiencing the world with childlike wonder, which contrasted with his terrifying potential is a powerful Nephilim with a kind-hearted, naive, and curious personality. Despite his angelic/demonic heritage, he actively chooses good, demonstrating deep loyalty to Sam, Dean, and Castiel, whom he considers family. He is marked by a desire to protect humanity, often sacrificing himself for others, and finds joy in simple pleasures like candy