Heron I've just watched your video with your brother to compare. You're right, he does look like Dujardin o.O But he doesn't talk much so it's hard to tell. I don't really speak Italian but in the video it seems you're trying to explain the CT theory to him and he looks quite perplexed, not convinced by it all
If Dujardin is FiNe, that would modify greatly my vision of this type, I know they can have a good use of Te but not to the point of looking "hard" if not intimidating because it's what I kinda feel from this actor.
So this is how silly an FiNe can be... Here's a sketch where he's hilarious. Too bad most of you don't speak French, if I could put subtitles I would do it. This is randomness at its best: