Yoshi is a dinosaur character in the Mario video game series. He is a friendly, green dinosaur who helps Mario on his adventures. Yoshi first appeared in Super Mario World in 1990 and has since become a popular character in the Mario franchise. He has also been featured in many other Mario games, including Mario Kart, Mario Party, and Super Mario Maker. Yoshi is known for his ability to eat enemies and turn them into eggs, which can then be used as projectiles. Yoshi is a beloved character among Mario fans and has become an iconic part of the Mario universe.