Actually, I don't know why, but Matias totally looks like ma-TI-ahs (with a long I sound) to me. But it could just be in my head.
ETA: Geez, I forgot to answer the original question
1. Luca
2. Cruz
3. Illi- This name almost looks like someone didn't know how to write a Roman numeral 4, and they are a typical teenager who lets go of the "shift" button too early. (As seen when they type things like "OMG!!!!!!!!!!1")
Re: Boy Name
I like all of them, but Mattias Cruz is probably my favorite. I think it flows the best.
I wouldn't worry so much about the "ethnic jive;" I assume the names are reflective of your cultures, so I think they work.
https://www.behindthename.com/name/mattias
But they don't have the pronunciation of Matias.
https://www.behindthename.com/name/matias
Actually, I don't know why, but Matias totally looks like ma-TI-ahs (with a long I sound) to me. But it could just be in my head.
ETA: Geez, I forgot to answer the original question
1. Luca
2. Cruz
3. Illi- This name almost looks like someone didn't know how to write a Roman numeral 4, and they are a typical teenager who lets go of the "shift" button too early. (As seen when they type things like "OMG!!!!!!!!!!1")