[andrewem]

I liked that when a major person in Italian organized crime was arrested, US newspapers called him a “capo dei capi” while Italian newspapers called him a “boss dei boss”.

For example, here’s a book using that title

https://m.libreriauniversitaria.it/amp/product/BIT/978887928...

[dfxm12]

The subject of the book is also featured in an Italian TV show using the title Il Capo Dei Capo: https://it.wikipedia.org/wiki/Il_capo_dei_capi