'Yanni' is used when addressing the person; 'Yannis' is used when referring to the person.
So you might say, 'Hi, Yanni!' because you're talking to him. But when talking about him you would say, 'Hey, you'll never guess what Yannis did last night at the Vicar's house!'
The appearing and disappearing 's' is fairly common in Greek names, I believe.
No, Yanni has no children.
Zhao Yanni was born in 1986.
Yanni lists Vangelis as one of his influences.
i think he is Greek orthodox.
Yanni is a Hebrew name that means "Gift of God".
Yannis Zafeiriou goes by Yanni, penguinyz, and penguin.
http://www.soft-light.com/yanni/
The cast of Yanni mou to mandili sou - 2002 includes: Yannis Zouganelis as Host
Yanni's birth name is Yanni Chryssomallis.
Michael Yanni goes by Yanni.
No, Yanni has no children.
No, Yanni plays piano.
Yanni was born on November 14, 1954.
Zhao Yanni was born in 1986.
Yanni Kuznia is 5' 6".
Yanni was born on November 14, 1954.
Zack Yanni goes by ZackFit.