User blog comment:Paul.rea/Teen Wolf Season 4 Behind the Scenes/@comment-5982789-20131029004906/@comment-4091815-20131029011719

Posey is Tom Delonge from Blink 182 - his favorite band.

The "blue person" is Holland Roden doing Tobias Fünke from Arrested Development.

Tobias paints himself blue in an attempt to join The Blue Man Group in several episodes.