The creator of a spanish Petscop gamejack (which is actually just a joke), MATADOR.
Very anonymous, the only thing that is known about him is that he made MATADOR and some other weird videos.
Person 1: "Hey, do you know who MATA VAMPRIOS is?"
Person 2: "I heard that he made a spanish Petscop gamejack."
Person 1: "Huh. I think it is not a gamejack, but a joke."
Person 2: "Yeah, i also think it's just a joke."