Hajime Inukai from Meitantei Conan

The Eccentric Engineer of the Black Organization. Hajime Inukai, often known by his codename 'Vermouth', is a brilliant and enigmatic figure within the Black Organization, a clandestine group shrouded in mystery. As an engineer, he is responsible for designing and creating the organization's high-tech gadgets and weapons, showcasing his unparalleled genius and inventiveness. However, his true passion lies in his love for music, particularly the violin, which he uses as a coping mechanism and a means of expressing his complex emotions. Despite his involvement in the organization, Inukai maintains a degree of independence, often going against its interests and harboring secrets of his own.