Droids

Droids (short for androids) are robots, often possesing artificial intelligence, that were used in various roles and environments, often those considered too menial or too dangerous for humans and other species. Droids were also used in fields that required extensive specialization and knowledge, such as medical droids, protocol droids, and astromech droids. Customarily, droid names are an arrangement of numbers and letters.

They appear in the Star Wars universe.