Bogart?

I just battled another player in the Ladder Tournament, and I noticed they had a monster I hadn't seen before.

I didn't catch the name properly, it was either Bogart or Boggart, but it was a Ghost type. The player also had a Phantom and another Monster, which I've vaguely forgotten - it might have been Blaze.

Has anybody else heard of this monster? I'm vague already but it reminded me of a racoon.

Got any screenshots? If not this is hard to believe...

No, sorry. I didn't think to get them at the time. Is there any way it could have been a nicknamed Monster, maybe? Would that show up at all?

The only way for me to see the Monster again is to have my rank go down, and face the player again. I don't think I'll be doing that.