Meaning: Angel of Thursday, meaning my cover is God

Gender: Male

Pronunciation: Kas-Tee-El

Language origin of Castiel: Germanic

Regional origin of Castiel: Northern Europe

Languages Castiel is most common: English

Religions Castiel is most common: Christianity

First letter and sound: C, Kas

Last letter and sound: L, tee

Alternative Spelling: Cassiel, Castielle, Castor