Just out of curiosity, does anybody know this Halloween fan?

Just out of curiosity, does anybody know who the gentleman is in the light blue shirt? He’s standing at Mike Lookinland’s table, and is standing by the young man’s right-hand side, who’s wearing a black T-shirt, pink wristband, and a cellphone in his right hand, which he’s holding up to his mouth.

https://www.facebook.com/photo.php?fbid=10152216992606722&set=p.10152216992606722&type=1&theater