Usually a nickname form of Oz or Oswald-like names; in Hebrew Oz means "strength" or "power."
Ozzi is a vivid variant of Ozzie or Ozzy, themselves familiar diminutives of the Old English name Oswald — composed of os ("god" or "divine") and weald ("rule" or "power"), yielding roughly "divine ruler" or "power of God." The name was borne by Saint Oswald of Northumbria, a seventh-century Anglo-Saxon king and martyr who brought Christianity to northern England and whose feast day has been observed since his death in 642 CE. Oswald was a common name across medieval England and Scandinavia, appearing in chronicles and sagas as both a royal designation and a mark of Christian devotion.
The diminutive Ozzy entered popular consciousness most forcefully through John Michael "Ozzy" Osbourne, the Birmingham-born vocalist of Black Sabbath whose career spanned from 1968 to the present and who became one of rock music's most recognizable figures. His nickname, drawn from his surname, gave the form a specific cultural weight — irreverent, indestructible, marked by a certain theatrical excess — that co-existed with the name's far quieter religious origins. Ozzy Osbourne the man became a kind of brand, making the name simultaneously dangerous and warmly absurd.
The spelling Ozzi refreshes all of this. The substitution of "-i" for "-y" is a contemporary naming convention that softens without diminishing, giving the name a brighter visual profile and signaling that the bearer's parents chose it fresh rather than inheriting it from any single cultural moment. For a child, Ozzi carries the deep roots of Anglo-Saxon tradition, a rock-and-roll footnote, and the clean slate of a genuinely modern spelling.