Virus

Were you looking for:


 * The X-Virus, a strange disease that creates X-Antibodies.

OR


 * The R63-Virus, another strange disease that creates Antibodies of the opposite gender to the host

OR


 * The Z-Virus

OR


 * Virus, Kwiksilver's evil, pathetic, insane and interdimensional self who once tried to destroy Wikia.