Poo's Master イースーチーYee-soo-chii
Poo's Master's sprite from EarthBound.
Gender	Male
Appears in	EarthBound
Residence	Dalaam
Occupation	Mentor

Poo's Master is a character inEarthBound. He hasPoo train to helpNess on his journey, sending him to meditate atMu, the place of nothingness. After Poo has met with theStar Master and completed his Mu training, Poo's Master gives him a few levels worth of experience, allowing him to learnTeleport α and β before he leaves to join Ness and company. After this point, Poo's Master remains at the palace inDalaam and will heal Ness's party for free at any time.

Poo's Master has no given name in EarthBound, but in the Japanese version of EarthBound he has a specific name. "Yee-soo-chii" is a Japanese version of a Chinese phrase "Yi-Si-Qi"; this means "one-four-seven" and is a reference to a gameplay concept in mahjong.^[1]

References

Characters inEarthBound
Main Party	Ness • Paula • Jeff • Poo
Allies	Buzz Buzz • Tracy • Runaway Five • Apple Kid • Tony • Bubble Monkey • Dr. Andonuts • Mr. Saturn • Tenda • Flying Man
Antagonists	Frank • Captain Strong • Everdred • Mr. Carpainter • Geldegarde Monotoli
Villains	Master Belch • Mani-Mani Statue • Ness's Nightmare • Pokey Minch • Giygas
Other characters	Ness's mother • Ness's father • King • Picky Minch • Lardna Minch • Aloysius Minch • Lier X. Agerate • Photo-Man • B.H. Pirkle • Ruffini • Paula's family • Orange Kid • Mr. Poochyfud • Gonzares • Maxwell • Tessie • Brick Road • Sebastian •George Montague • Gerardo Montague • Sanchez Brothers • Sesame seed • Penetella Giovanni • Miss Fake • Venus • Mr. Spoon • Electra • Jackie • Warp Man • Talah Rama • Man K. Man • Monkonna • Risosha Richmonde • Mr. Fork • Poo's Master • Star Master • Red Snake • Ay-go Stikke • Nico • Mr. Prettyman • Enrich Flavor List of all characters

• EarthBound characters