The frightening villain in Five Nights of the Immortal carries the 0550.
Fictional bad guys typically lack redeeming qualities. In the case of Karl in Five Nights of the Immortal, at least he carries a ZT. Karl's everyday cutting tasks are best left unsaid, however, let's just say that they aren't covered by our Limited Lifetime Warranty. In any case, readers will get a kick out of seeing the discontinued ZT in this creepy tale.