Officer K (K, Joe)

The protagonist of the film. Official designation: officer KD6-3.7. Goes by officer K, just K, or later on Joe. Is both a blade runner and a second generation replicant. As the film progresses, he starts questioning his identity, thinking he is the child born to a replicant that everyone's been searching for. Turns out he is not. He closely interacts with Joi, an AI he buys but ends up falling in love with.