I adore [name_m]Giovanni[/name_m] ‘Gio’! (You said four syllables, so I assume you’re pronouncing it gee-oh-vahn-ee?)
Some suggestions:
[name_m]Giovanni[/name_m] [name_m]Simon[/name_m]
[name_m]Giovanni[/name_m] [name_m]Mateo[/name_m]
[name_m]Giovanni[/name_m] [name_m]Luis[/name_m]
[name_m]Giovanni[/name_m] [name_u]River[/name_u]
[name_m]Giovanni[/name_m] [name_u]Sky[/name_u]
[name_m]Giovanni[/name_m] [name_u]August[/name_u]
[name_m]Giovanni[/name_m] [name_m]Peter[/name_m]
[name_m]Giovanni[/name_m] [name_m]Edward[/name_m]
[name_m]Giovanni[/name_m] [name_u]Francis[/name_u]
[name_m]Giovanni[/name_m] [name_m]Vincent[/name_m]
[name_m]Giovanni[/name_m] [name_u]Daniel[/name_u]
[name_m]Giovani[/name_m] [name_u]Luca[/name_u]
[name_m]Giovanni[/name_m] [name_u]Ellis[/name_u]
[name_m]Giovanni[/name_m] [name_u]Ezra[/name_u]
[name_m]Giovanni[/name_m] [name_m]Enzo[/name_m]
[name_m]Giovanni[/name_m] [name_m]Luke[/name_m]
[name_m]Giovanni[/name_m] [name_m]David[/name_m]