W`ZB or Ella Gabaz was a king of Axum (flourished mid 6th century). He uses the name "Ella Gabaz" on his coinage, but calls himself W`ZB in an inscription where he states he is the "son of Ella Atsbeha", or king Kaleb

Kaleb of Axum

Kaleb is perhaps the best-documented, if not best-known, king of Axum. Procopius of Caesarea calls him "Hellestheaeus", a variant of his throne name Ella Atsbeha or Ella Asbeha...

.

In his discussion of this king, Munro-Hay draws on material from the story of Abba Libanos, the "Apostle of Eritrea", in which a king named "Za-Gabaza Aksum" is mentioned, to suggest that Ella Gabaz and Za-Gabaza might be epithets W`ZB adopted, and indicate that he did some important construction on Mariam Syon (or Church of Our Lady Mary of Zion

Church of Our Lady Mary of Zion

The Church of Our Virgin Mary of Zion of the Ethiopian Orthodox Church is the most important church in Ethiopia...

) in Axum

Axum

Axum or Aksum is a city in northern Ethiopia which was the original capital of the eponymous kingdom of Axum. Population 56,500 . Axum was a naval and trading power that ruled the region from ca. 400 BC into the 10th century...

.