Full Names for Gus

Is Gus the new Max? It sure is looking like it. He's a short nickname that has many options to come from. I predict that Gus, and all of his full forms are going to rise in popularity. If you want a Gus, but aren't keen on Augustus, here are some lovely choices for you.

Expected:
August
Augustus

Unique:
Augie
Augustine
Augusto

Unheard of:
Gustav (German)
Gustave (French)
Gustavo (Italian)