What is a male form of Luna?
Aglibol, Waad, and Ta'lab were the Arabian gods of the Moon, in pre-Islamic days.
Máni (Old Norse "moon") is the personification of the moon in Norse mythology. He is the brother of the personified sun, Sól.
Several of Saturn's moons have names of male characters: Kiviuq (Paul Bunyan type of the Inuit) Ijiraq (Inuit shapeshifter) Erriapus (Gaulish giant) Tarqeq (Inuit Moon god) Esus (Celtic war god) Thrymr (Norse king of the frost giants)
Old Man Dirt
Aibek (Turkish for "Master of the Moon") There are others, I found this one on a site called Mom Junction.
"MOON"----- Ever hear of "Moon Mulligan"?
How about lunatic?
That would be "luny" or the alternate spelling "lunie"