The first name that came to mind was
Hunter, but it's not unusual.
Hero?
Hades - too dark? the only other "word" name that came to mind, lol
Hagen - would love to see this used more often! Too close to
Haven unfortunately.
Harold - I wonder if this name will ever make a comeback?
Hayden - too close to
Haven though.
Hector - time for a comeback too?
Something more mainstream/typical surname-style like
Harvey,
Harley,
Harlan,
Harris,
Holden...
H names are tough! I would not have started a theme with H!