Simplify the following text for a Grade 6 native English-speaking person.
Original: Yoshi made his debut in Super Mario World as a native dinosaur that Mario or Luigi could ride on in order to eat enemies and otherwise navigate Dinosaur Land more quickly and easily . This game spawned a prequel entitled Super Mario World 2 : Yoshi 's Island for the Super Nintendo in which the player could control Yoshi in order to keep Baby Mario out of harm 's way as they advanced through the game .
Simplified: Sometimes , Mario can ride Yoshi .