Yoshi is a fictional dinosaur and a main character from the Super Mario franchise created by Nintendo. He is known for his friendly and helpful nature and is often seen assisting Mario and Luigi in their adventures. Yoshi is easily recognizable by his green skin, long tongue, and the shell on his back. He possesses the ability to eat enemies and transform them into eggs, which he can then use as projectiles. Yoshi's primary role in the series is to provide support and transportation for Mario, showcasing his loyalty and bravery.