I'm starting to think that my idea of a rage demon possessed nug follower could become true with magazines being so full of mistakes.
Since the latest OXM error, I'm starting to think that Iron Bull and Sera might not be followers and the whole thing is speculation from "journalists" who saw some stuff and though it meant those were companions when they received no confirmation from the dev about it. I actually found it strange that Solas was in screenshot showing the party, but not Iron Bull in the latest magazines despite apparently being revealed. When Cassandra, Varric and Vivienne were revealed, they all showed up together in party screenshots.
I know what you mean.
I makes me wonder, though, if Iron Bull isn't a companion, then what is he? Important, obviously, but in what capacity? Is he the Military Advisor we've all been debating about? Which would be... interesting.
So, Dev-confirmed companions: Cassandra (W), Varric ®, Vivienne (M), Solas (M)
Companions seen in-party with Inquisitor: Blonde Elf, Bearded Warrior
Other Characters: Iron Bull, Dorian*, Cullen, Cole, Flaily Hands*
*These two could be the same character
Of those, I'm starting to think that Iron Bull or Cullen are likely to be the Military Advisor, and Dorian/Flaily the companion. Cole I personally think is an NPC, but that's just me.
So, by possible class--
WARRIORS: Cassandra, Beared Warrior, Iron Bull, Cullen
ROGUES: Varric, Blonde Elf, Cole
MAGES: Vivienne, Solas, Dorian
UNKNOWN: Flaily Hands (if he isn't Dorian)