Just to point out that Poe’s rank in the Resistance IS Commander. He is Commander Dameron a.k.a Black Leader

Nah..this is ‘himself’ during a cold (this guy is a chameleon that has a variety of totally different looks anyway..both on-screen and off-screen). The Borat 80's pornstache were kept for his role in Show Me a Hero (which he won a Golden Globe for it)