Howl Jenkins, often referred to simply as Howl, is a fictional character from the novel "Howl's Moving Castle" by Diana Wynne Jones. He is a powerful and flamboyant wizard known for his charming personality and striking appearance, including his colorful hair. Howl resides in a magical moving castle that can change locations, reflecting his whimsical nature and desire for freedom. In the story, Howl is initially portrayed as self-absorbed and elusive, but as the plot unfolds, his deeper qualities emerge. He becomes a protector of Sophie Hatter, the protagonist, and plays a crucial role in the battle against the Witch of the Waste. His character embodies themes of love, responsibility, and personal growth.