Vilton -- I'm not feeling it. Perhpas more information / background would help if anyone knows.
Sophia -- Classic, but I'm getting so tired of it.
Milo -- Quirky classic fun
Emmie -- Cute, but only as a nn
Morris -- This spelling looks too surnamey for me. I'd prefer
Maurice (British pronunciation) or
MoritzOliver -- Dashingly cute -- great sibling set