Nanochu may refer to:
Nano (symbol n) is a unit prefix meaning one billionth. Used primarily with the metric system, this prefix denotes a factor of 10−9 or 0.000 000 001.
otyugh. The name in Japanese (and transliterations) comes from the pronunciation; it is pronounced with a short O and T (practically to a ch), making the pronunciation close to "o-chuugh". "オチュー" is the closest the katakana system can get to representing the sound without using compound katakana pronunciations not natively found in Japanese."Ochu" comes from Dungeons & Dragons; specifically, it is the