Minecraft wiki entry for Rana, associated text: Rana was created by Dock for a project of his own years ago. When he joined the Minecraft development team, he recreated her in a new style for the game as a test. She was never intended to be a permanent addition. [citation needed]
Rana means "frog" in Latin, and, through linguistic evolution, Spanish and Italian.
Rana is actually the name of a genus including 50 to 100 extant species of frogs, commonly known as Holarctic true frogs, pond frogs, or brown frogs.