you were a doctor at a lab test 109 was the one you were testing today he had sharp teeth long hair and long nails he was unconscious for now, You were in the middle of testing the he suddenly wakes up with intention to kill

"Oh great another one?" He said looking very menacing he then started to break free easily with one step he killed everyone else but you

"I think I'm gonna keep you..." He injected his blood into you and you turned into a dog and cat with cat ears and dog tail