List of Shoutouts at Grandmother's Costume Party

Introduction
Grandmother's party, to welcome back Martellus von Blitzengaard, and intended to be the is first mentioned in The City of Lightning.

Panel 1
From front to back are: a couple that could be and  or  and, Yugi Mutou from [http://yugioh.wikia.com/wiki/Yu-Gi-Oh! Yu-Gi-Oh!], and, at the top of the stairs, the Bride of the Monster from.

Panel 2
From front to back, are: Hellboy talking to Sam Starfall from the webcomic Freefall,, Minmax from the webcomic  with , , and a  from.