請問The Click Five 新主音叫咩名...?

The Click Five's new lead singer is Kyle Patrick
http://en.wikipedia.org/wiki/KylePatrick
(About his profile)
And you are right , Jenny is the first song that he be a lead singer....
As you can see more about The Click Five in these web sites
http://en.wikipedia.org/wiki/The_Click_Five (English)
http://zh.wikipedia.org/wiki/%E4%BA%94%E9%87%8D%E5%A4%A9%E5%90%88%E5%94%B1%E5%9C%98 (Chinese)