Portraits emerge as well of older brother Charles, who committed suicide before the film was released, and youngest brother Maxon, a panhandler who painted to assuage his inner demons. Though filmmaker Zwigoff had the consent of the Crumb brothers, some questioned the ability of the more disturbed brothers to provide that consent. The involvement of Charles and Maxon, which Zwigoff felt was just as important to Robert's story as anything else, led Zwigoff to title the film "Crumb" to imply the importance of all three brothers.