Dudim Phreykunoutonthis

In Super Mario World 2: Yoshi's Island, the Official Guide from Nintendo Power describes how the Yoshi series has different enemy classes. Of those, one of them is Dudim Phreykunoutonthis. The sole member of Dudim Phreykunoutonthis is the Fuzzy. The Fuzzy causes dizziness to Yoshi whenever swallowed and can be defeated by an egg or Watermelon Seed.

Trivia

 * Dudim Phreykunoutonthis is a pseudo-scientific name corruption of the phrase "Dude, I'm freaking out on this," relating to the effects Yoshi experiences after swallowing a Fuzzy.