Yoshi

Yoshi is a popular Nintendo character, and is often described as a dinosaur-like creature, most commonly green, but Yoshi's of other colors also exist, such as yellow or cyan and even pink. Yoshi has played a major part in many Super Mario games, as well as owning his own side-franchise.

In the Game & Watch Gallery series
Yoshi has made an appearance in all four of the Game & Watch Gallery titles, appearing in the 'modern' incarnations of some Game & Watch titles, such as Egg.