I, Robot Characters

The chief robopsychologist at U.S. Robots and Mechanical men and one of the protagonists of the story. At the beginning of the book, a reporter comes to interview Calvin about her time with the company… read analysis of Dr. Susan Calvin

An engineer and field tester at U.S. Robots and Mechanical Men, alongside Mike Donovan. Donovan and Powell feature together in several of the stories, including “Runaround,” “Reason,” “Catch That Rabbit,” and “Escape!” Their adventures… read analysis of Gregory Powell

A red-headed engineer and field tester at U.S. Robots and Mechanical Men, alongside Gregory Powell. Donovan and Powell feature together in several of the stories, including “Runaround,” “Reason,” “Catch That Rabbit,” and “Escape!” Their… read analysis of Mike Donovan

A politician running for mayoral office in “Evidence.” His political opponent, Francis Quinn, accuses him of being a robot. Quinn employs Calvin and Lanning to investigate the situation, citing that Byerley never eats, drinks… read analysis of Stephen Byerley

The young girl whom Robbie takes care of in “Robbie.” Robbie is not only Gloria’s caretaker, but also her best friend. When her mother, Mrs. Weston, decides to send Robbie away, Gloria becomes depressed… read analysis of Gloria

Gloria’s mother in “Robbie.” After two years of allowing her daughter to be taken care of by Robbie, Mrs. Weston begins to realize that she does not want her daughter raised by a… read analysis of Mrs. Weston

Gloria’s father in “Robbie.” When Mrs. Weston approaches Mr. Weston saying that she wants to get rid of Robbie, Mr. Weston reminds her that Robbie could never harm Gloria, but to no avail… read analysis of Mr. Weston

One of the primary mathematicians at U.S. Robots and Mechanical Men. Bogert believes that Lanning’s mathematics are a bit behind the times due to Lanning’s old age, and hopes that Lanning will retire and… read analysis of Peter Bogert

The director of U.S. Robots and Mechanical Men. Lanning is almost 70 years old at the time of “Liar!”, which is what causes Peter Bogert to believe that Lanning is behind the times. But Lanning… read analysis of Alfred Lanning

A young officer at U.S. Robots and Mechanical Men. In “Liar!” it is revealed that Susan Calvin is in love with him, and the mind-reading robot Herbie falsely tells her that Ashe reciprocates her feelings… read analysis of Milton Ashe

The titular character of the short story “Robbie.” Robbie is a nonverbal RB model robot that is designed as a nursemaid for human children. At the beginning of the story, he has been taking care… read analysis of Robbie

The primary robot in “Runaround.” Speedy is an SPD model whom Donovan and Powell send out to retrieve selenium in order to be able to power the station on Mercury. But Speedy has been programmed… read analysis of Speedy

The central robot in “Reason.” Cutie is a QT-1 model and is tasked with overseeing other robots at the space station who control energy beams to Earth and other planets. Donovan and Powell start to… read analysis of Cutie

The central robot in “Catch That Rabbit.” Dave is a multiple DV-5 robot with six subsidiaries, called “fingers,” that help him in the mines. Donovan and Powell are tasked with testing Dave, and they start… read analysis of Dave

A mind-reading robot that features in “Liar!” Herbie is a one-of-a-kind robot, and the roboticists spend much of the story trying to figure out how Herbie acquired his telepathic abilities. Herbie creates quite a bit… read analysis of Herbie

The central robot in “Little Lost Robot.” Nestor 10 goes missing after receiving instructions from Gerald Black that he “go lose [himself].” Thus, Nestor 10 follows this directive and hides in a room with 62… read analysis of Nestor 10

The central robot in “Escape!” The Brain does not have a body in the same way that many of the other robots in the story do; it is more like a supercomputer. However, this does… read analysis of The Brain