Baby Names

I know most of you see these kinds of posts all the time so I really appreciate you taking the time to help me out.

We already have a boy, Kayden.

and we're expecting baby number 2. don't know the gender yet, but I'm obsessing over picking a name right now. Lol.

But I'd like something that sounds good with Kayden But isn't too close if you know what I mean.

For a boy I'd like something more bold and tough, like Zayne is one of my options. And for a girl I want something more elegant or antique, like Alayna/Elayna

Also I don't want anything too common. Lbs.