At work I have a leftover Halloween decoration in my office:
I haven't thrown it away because I love how corny it is. "Pre-assembled, ready to scare!" and "Straight from the grave.." It's a no-name Made-in-China decoration that is obviously not made by a big company (i.e. "ScareCorp Inc. Angel of Death GXR 2006 Edition"). There's no company name or contact info at all, so they don't have to include any 'instructions' which are really just lists of warnings to avoid lawsuits ("Do not eat Angel of Death", "Do not set Angel of Death on fire").
Reactions from co-workers range from people who find the humor in it ("That's funny", "Hillarious"), to people who don't get it at all ("You're deranged", "That's sick").
This week, in the spirit of the times, I dressed it up with a hollyhat and some jingle bells: