The name Leonidus is of Greek origin and means "lion-like" or "brave as a lion." It is a strong and powerful name, evoking images of courage and strength. People with the name Leonidus are often seen as leaders, fearless and determined in their endeavors. They are known for their boldness and assertiveness, never backing down from a challenge. In history and mythology, namesakes such as King Leonidas of Sparta embody the qualities associated with the name Leonidus.