The Ultimate Vampire Resource and Directory

Features

Cute furry robotic creatures that shake and quail when disturbed
Two sizes, large (about 12" in diameter) and small (6" in diameter), and come in random shades of black, brown and grey
Is partial to quadrotriticale, but really likes AA and AAA batteries, conveniently included in its velcro-edged stomach
On-off switch conveniently hidden inside the tribble!
Guaranteed to have a calming effect on most humanoids *

* Sorry, but tribbles seem to have an adverse effect to Klingons