Ochu's moves include Drink Magic, which is a counter to a magic attack, where Ochu will remove one unit of a random magic spell from a party member. Guardian Forces are counted as a magic attack. Ochu Dance will cause Slow and Curse to exposed party members.
[view·edit·purge]"Ochu" comes from Dungeons & Dragons; specifically, it is the 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.