I don't speak Spanish myself but a couple of people have volunteered to reach out. We will see what comes of it, I will post here or reddit. Don't have any more information
As a Canadian myself I have no idea what a Canadian accent is and what people mean by it. Acadian? Quebec French? Newfoundland accent? Canada is a big country. Very vague.
^I think this is accurate and important to remember. I dont think he wasn't reported missing.
The man I found was posted on a missing person's journalist's facebook page that has 500k likes. However, the post is just one of many with less than 1000 likes/shares. Carlos wasn't reported...
Possible match for Lyle? Not officially reported missing, the resemblance is very good, please take a look... I wrote about here:
https://www.reddit.com/r/lylestevik/comments/6a2te7/possible_match_for_lyle_stevik/