And I had no idea, so I thought this was very interesting:
name, sex, meaning, origin, meaning
Ronaldo N/A N/A
Ronald Old Norse Mighty
Roni Hebrew Shout for joy, my song of joy
Ronni Hebrew From Ronli - joyful
Ronny Latin True image
Where the fuck is rony? lol. Apparently Ronaldo has no meaning =( oh well. I like all the other definitions!