Well,
Denver reminds me of
John Denver. It has a nice strong sound to it but perhaps to tough?
Indy, like
Indy 500? Hmm...I like
Andy better.
Martin is okay though I'm not fond of the nn
Marty (though I have known some pretty nice Martys!)
I prefer
Martin or I was struck by this spelling:
Marten, I really like it!
Maarten, I'm not sure about, too many As I think...hmm
Denver BlakeDenver JosephDenver Martin!
Indy JamesIndy LewisIndy Robert
Martin JosephMartin BlakeMartin ChristopherMartin Andrew
Marten JosephMarten JosephMarten Joseph...what?...oh, you want more middle names? Sorry! *blush*
Marten TimothyMarten BenjaminMarten ClarkMarten CharlesMarten WilliamMarten HenryMarten Wesley
I hope these help! I'm really starting to like the name
Marten Joseph!!! :) :) :)