Poochy

Poochy is a character in the Mario series that helps Yoshi when ever he needs it. His first game appearance was in Super Mario World 2: Yoshi's Island, where he will help you go across spiked platforms, or other types of platforms that Yoshi can't walk over. Poochy can also just ram into an enemy to kill it. In Yoshi's Story, Poochy will be able to sniff out helpful items such as fruit or hearts.