I forgot to say earlier that I don't own Invader Zim, it belongs to nicklelodeon. Now back to my story.
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"What is it?" Dib hissed at Powderpoe.

Suddenly Powderpoe's wig fell off and her head sprouted grey fur. Her eyes grew wolf-like and a ragged grey tail appeared from under her uniform. The rest or her body was covered with grey fur, matted and grey.

Dib couldn't belive it. A werewolf. Powderpoe. Then it hit him like a brick. He was doomed.

He yelled and started running. He got to the house and locked the door. He ran to his room. He was glad he hadn't listened to his dad and had packed stuff that would protect him from most paranormal crap. He dug through his bag until he found a cane with silver on the end, a cross, and a bow and arrows.

WHAM! Something hit the door. Dib looked out the small window. Cat was ramming the door with her shoulder. She stopped ramming and looked Dib right in the eye. Her hand moved with un-natural speed and shattered the window.

CRASH! The sound of shattering glass upstairs nearly made Dib faint. Johnny was getting in through the upstairs window.

THUNK! Powderpoe crashes at the other door, howling hungrily.

Dib trapped freaks out and crashes through a window that Johnny, Powderpoe, and Cat aren't attacking. He runs to the barn. Cat turns around and screeches at him. He hides in a corner of the barn shaking.

Johnny walks throught the door way, followed by Cat and Powderpoe. Now Johnny has a white-hot piece of metal in her hand. Dib feels a sharp pain in his side.

He shrieks and jumps up Johnny looks at him and smiles. Dib looks down at what bit him. A small compy is standing there, but there is something different about it.

It was translucent. It stood in front of a window that had the full moon shining through it.

"A GHOST VAMPIRE WERE-COMPY!" yelled Dib, "A freakish mix of a compy, a vampire, a werewolf, and a ghost. When someone is bitten by one one of it's breeds trasfers to the person who gets bit," said Dib shaking," The first becomes a compy, the second a vampire, the third a werewolf-"

"And the fourth a ghost," says Cat smiling, "But first they have to die."

Dib gulps. Powderpoe takes out a scythe. Johnny points her bar at Dib, and Cat pulles out a long whip.

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Next and probably final chapter: the battle.