Yumemiyotchi (ゆめミヨーっち Yumemiyōtchi) is a special Tamagotchi character that appears in the Nintendo 3DS game Tamagotchi! Classes of Dream School. Yumemiyōtchi works in the dream research department of dream school. However he has two relatives that are also dream researchers, he is the ancestor of Yumestartchi from the future and Yumetarōtchi from the past who is Yumemiyōtchi's ancestor.
Yumemiyōtchi is fully green with a yellow face. He wears a green suit and green cap with an arrow pointing upward on his head and one on his face pointing downward. He has a mild expression differentiating from his ancestors who have a worried and angry expression.