He did keep his face out of the frame at all times and never used his full real name – he even simply went by “Marc” to locals where he was living in the Dominican Republic and gave the Italian community there a wide berth.
What did give Biart away, though, was his body tattoos that could be seen displayed in the cooking videos.
If your first thought is, “Wow, that’s dumb,” it’s actually a little more complicated than it seems.
It’s not like Biart plastered his face all over YouTube.