Answer
Dr. Meinheimer, played by Griffiths in The Naked Gun 2½, is a renowned scientist who is kidnapped by the evil Colonel Sandurz. Meinheimer's expertise in nuclear physics makes him a valuable asset to Sandurz's plans for world domination. However, his absent-mindedness and eccentric behavior often lead to comical situations, providing a humorous contrast to the film's more serious plot elements.