Meaning: Demon one
Gender: Male
Pronunciation: O-Ni-I-Chi
Language origin of Oniichi: Japanese
Regional origin of Oniichi: East Asia
Languages Oniichi is most common: Japanese
Religions Oniichi is most common: Shinto, Buddhism
First letter and sound: O, O
Last letter and sound: I, chi
Alternative Spelling: Oniiti, Oniisi, Oniiki