Proteuses, also known as protean creatures, are mythical beings that assume various shapes and forms. In literature, Shakespeare's character Puck from A Midsummer Night's Dream is often regarded as a protean figure. Besides proteuses, there are many other words that can be used to describe such beings. These include adaptable, versatile, flexible, chameleonic, ever-changing, and shape-shifting. Each of these synonyms encompasses the idea of constant transformation and the ability to adapt to one's surroundings. Whether used in literature, mythology, or everyday language, these synonyms help to convey the elusive and mysterious nature of protean creatures like the proteuses.