Frog Folk, Turtle Folk, Bear Folk, Serpent Folk, Penguin Folk

Many of the performers known as Frog Boys, Turtle Boys, or similar, actually had the genetic condition known as Osteogenesis Imperfecta. In OI, the bones break easily, and often heal incorrectly, resulting in misshapen or stunted limbs. Others, such as the Bear Women (and Men) had a birth anomaly which caused them to have foreshortened limbs.