Creature Page

Yu Ef Oh

A saucer-like creature that beams up Yoshi and other creatures in the Moon area.

Last updated: 2026-05-24

Yu Ef Oh guide artwork

Quick Summary

Chapter

Moon

Habitat

UFO Base

Role

Beam saucer

Type

Enemy

Main behavior

Yu Ef Oh is the beam saucer for UFO Base. Search side rooms before the exit.

Book Description

Yoshi and a Floofly getting sucked up by a Yu Ef Oh.

Discoveries to Test

  • Confirm the UFO Base book entry by watching how Yu Ef Oh behaves before leaving the area.
  • Yoshi and a Floofly getting sucked up by a Yu Ef Oh.
  • Replay the habitat around this focus: Late-game exploration route.

Related Smiley Flowers

  • UFO Base cleanup route
  • Moon Smiley Flower checklist
  • Moon walkthrough cleanup route

Completion Notes

  • The page artwork uses the matching local 1200px WebP card image for Yu Ef Oh.
  • Replace this draft route note with the exact in-game trigger once the book entry has been verified.
  • Check the chapter page, discovery list, and Smiley Flower checklist together before marking the creature complete.

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