twin brother substitution

His film 'Dead Ringers' is a masterpiece exploring twin identity, psychological duality, and the blurred boundaries between two individuals through body horror and psychological obsession.

His exploration of doppelgängers and identity confusion, particularly in works dealing with mistaken identity and psychological doubles, examines the fragility of individual identity.

His thriller 'Body Double' and other works frequently employ twin/double narratives and substitution as central plot devices to explore themes of obsession and fractured identity.