The concept of Yoshi extends back to the development of the original Super Mario Bros, where Yoshi was intended to be Mario's companion. However, Yoshi would not actually appear in a Super Mario game until the SNES launch title Super Mario World. Here, Yoshi was portrayed as not one but rather a number of distinctly colored companions that Mario could ride. The nature of Yoshi, alternating between being an individual and a species, has been ambiguous ever since. However, it is implied that a single member of the species appears in a number of games