Rick Deckard is the protagonist of the first film, as well as being the narrator in some versions. He is played in that film by Harrison Ford, who also reprises the role in the sequel Blade Runner 2049.
Deckard is a "Blade Runner", a special detective in the Los Angeles police department employed to hunt down and "retire" replicants in the year 2019.
Deckard's weapon of choice is the PKD Blaster. His ID number is B-2-63-54.
By the end of the film it's ambiguous as to whether he's a replicant himself or not.
