Father Brown, played by Mark Williams in the Harry Potter series, is Arthur Weasley's British comedic actor, screenwriter, and host. He is a famous detective depicted in Cesare Lombroso's works, characterized by his short stature, round head, plump appearance, and endearing personality. He often carries a signature large umbrella on his side, which he fears to use. Despite his shyness and occasional stuttering when speaking, Father Brown appears naive and simple-hearted, yet he possesses sharp intuition and profound wisdom.