because i can -demon bloo replying to "how could you?"
dark bloo has been seen on fosters home for imaginairy friends the death of mac bloo kills mac with a shotgun thean bloo kills everyone at fosters all is left is frankie bloo kills frankie with a chainsaw then turns into a demon(demon bloo) demon bloo looks like a red bloo with four horns claws pure black eyes no pupuls and sharp teeth