of pain and agony so great that the entire symbiote race commits mass suicide, but how they kill themselves is not clear. the Xenophages, a race of extraterrestrial shapeshifters which prey on symbiotes, possess the ability to spew an unknown incendiary chemical that can paralyze symbiotes and enhance their taste. numerous occasions have shown that when a corrupted symbiote remains bonded to a host for too long, the symbiote will eventually consume the body of the host, leaving the host a dead husk (see the soldiers who were bonded to the Grendel symbiotes and with Peter Parker in two What If?!) when Eddie Brock was diagnosed with cancer, Martin Li used his Lightforce healing ability to cure him, accidentally producing white blood cells in Eddie's blood which combatted the Venom's symbiote remnants; this created a new, non-sentient symbiote called Anti-Venom. This symbiote had the ability to cure every sickness (including Spider-Man's powers) and it was also corrosive to the symbiotes, as shown when Eddie and Flash nearly killed Venom, Mania, the Poisons and Red Goblin. There have been no symbiotes shown to be immune to Anti-Venom. vulnerability to the abilities of telepaths a new and still mysteriously extraterrestrial race known as Poisons, apparently nature's answer to the symbiotes, prey on them through direct contact infection, which forms an unstoppable one-sided union that the symbiote wants no part of. List of symbiotes Major symbiote characters The following symbiotes have appeared throughout several years of Spider-Man's history, appeared in multiple media such as film and video games, and were main characters/villains in story arcs. Other symbiote characters The following symbiotes have made only a few other appearances in comic books and are usually excluded from adaptations in other media. Other versions Ultimate Marvel In the Ultimate Marvel universe, the Venom suit is a man-made creation born of an experiment by Richard Parker and Edward Brock Sr., who were hoping to develop a protoplasmic cure for severe illnesses. Bolivar Trask, who was funding the research, intended to weaponize it. It used Richard's DNA as the starting base; thus, himself and Peter are "related" to it. When bonding to a host, the organic matter that comprises the suit envelops the host, regardless of resistance, and temporarily blinds it, before encasing itself in a hard casing, similar to a pupa. When the host emerges, the suit then shifts its appearance and function to assist its