Hemorrhage, he's a bad guy with the ability to either destroy/remove/or weaken blood platelets in his opponent which hinders their blood's ability to clot thus causing them to bleed out or hemorrhage more easily when injured.
The Dark Umbra
The Red Wraith
"...You can capture the Klingon & bring him back to the Enterprise!"
Mina is the world's first Paranormal Petsitter in the new middle-grade book series by Gary Buettner, MONSTER PETS, coming in FALL 2014 from EMBY KIDS. Spooky adventure that's perfect reading for kids 8-12
The Silent Shadow
The Dark Emancipator