When one thinks of loyalty, a dog comes to mind. Or perhaps a friend, spouse, or relative. However, there have been many loyal robots in movies over the years. These robots range from droids to smoking hot female cylons who will do anything to please. Below are seven of the most loyal robot characters in cinematic history.


In the movie "Star Wars", Luke Sywalker would not have destroyed the Death Star had it not been for his loyal droid. One of R2D2's main responsibilities was to keep Luke's X-wing fighter operational. Additionally, R2D2 constantly kept his fellow robot C3P0 out of trouble and was able to  relay an important message from his Princess to Jedi Knight, Obi Wan Kenobi


While he was a killing machine in the first movie, Arnold Schwarzenegger's character was a protector in the sequel. The bad-ass robot was sent back in time to protect John Connor from a more advanced machine. His loyalty is tested several times, as he took several bullets and even sacrificed his own  life at the end of the movie in order to destroy the technology used to create his line.


Though unable to feel emotion, Data is an android who served as a Lieutenant Commander and Chief Operations Officer aboard the USS Enterprise. A loyal officer to Captain Jean-Luc Picard, Data's wisdom and loyalty saved the Enterprise and its crew on several occasions. 

Johnny 5

Johnny 5 is a military robot in the 1980s classic "Short Circuit". After being short circuited by a storm, Johnny 5 wandered off a military base and is later discovered by Stephanie Speck (Ally Sheedy). While hiding from the military, Speck and the mysterious robot developed a bond that could not be broken. In this case, Johnny 5 is one of the seven most loyal robots in movie history.


"Transformers" is one of the most popular action movies of the last decade. While super-hot Megan Fox is a large reason for the movie's popularity, the super-loyal aliens were a hit as well. One of the most popular was Bumble Bee, a transformer whose main mission was to protect Sam Witwicky from the evil Decepticons


Another loyal robot from "Star Wars", C3P0 spent much of his time complaining. However, he was always around when his friends were in a crunch. C3P0 ended up forming a loyal bond with R2D2 and later Chewbacca. It is hard to imagine that this loyal robot was created by Darth Vader. 

Number 6

"Battlestar Galactica" was featured as a television show twice-once in 1978, and again in 2004. However, it is the 2004 series that featured the lovely Number 6, played by Canadian actress and model Tricia Helfer. While the amazingly hot character appeared in a television show instead of a movie, it would be a shame to leave her off the list since she is not only very loyal, but smoking hot as well. Her loyalty lies to Gaius Baltar, a man whom she seduced in order to steal secrets that would allow the cylons to penetrate the humans' defense systems. However, during the cylon attack, she sacrifices her life to save Baltar. Since she is a cylon, she later returns as sexy as ever!