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in: New York City Police Department members, Secret Identity, Male Characters Humans (Homo sapiens), Americans, Separated Characters, Police Officers, Vigilantes, Height, Height 6', Height 6' 2", Weight, Green Eyes, White Eyes, Brown Hair, No Hair, Prehensile Tongue, Tentacles, Fangs, Claws, Earth-616 Characters, Peter Milligan/Creator, Clayton Crain/Creator, Characters, Deceased Characters, Modern-Age Characters, 2004 Character Debuts, Patrick Mulligan (Earth-616)/Quotes, Power Grid Added, Power Grid Complete, Normal Intelligence, Superhuman (25-75 ton) Strength, Superhuman Speed, Bulletproof Durability, No Energy Projection, Fighting Ability - Experienced fighter, Web-Slinging, Superhuman Reflexes, Camouflage, Shapeshifters, Wallcrawling, Regeneration, Fire Weakness, Sonic Weakness, Killed Off-Panel, Cannibals, Catholic Characters, Symbiotes-possessed, Killed by Blackheart, Organic Webbing, Venom Family, Superhuman Stamina, Superhuman Agility, Superhuman Durability

Patrick Mulligan (Earth-616)


Patrick Mulligan (Earth-616)

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Quote1 I'm a decent guy. Used to be a cop. Now I've got a crazy symbiote using me as a host. However hard I try to educate it, whatever I do to bring it up properly, it misbehaves. And it brings out the worst in me. It's destroying me. What do I do? What's the answer? Quote2
-- Pat Mulligan src

Carnage, about to birth another symbiote, was threatened by its existence and attempted to destroy it. Venom, however, wanted to raise and train the new symbiote as an ally and partner. Weakened by the actual birthing, Carnage was unable to kill the newborn symbiote. Supplanting the symbiote in Patrick Mulligan, a New York City cop, it returned in later days[5]. Venom named the new symbiote Toxin, after himself. Carnage and Venom both knew that because of how powerful Toxin would become in time, and also since his host was a police officer, he would most likely be a hero rather than a villain.[6] Because of this, they made a temporary alliance so that they could kill him but in the end they were defeated. Pat still felt that being bonded with Toxin made him a threat to his wife and newborn son and left them without explanation until he felt he could control the symbiote.[10]

Toxin aided Spider-Man and the Avengers in rounding up many of the escaped convicts from the Raft including, King Cobra, the Wrecker, and the Answer. Pat was specifically tasked by Spider-Man with finding Razorfist and considered it a test of Pat's capability and control over Toxin. During this period Pat struggled to teach Toxin right from wrong and the value of restraint. Pat's attempts were set back by a bout of rage in which he allowed Toxin to kill a criminal for murdering a police officer.[11]

Pat's attempts to hunt down Razorfist were continually waylaid by Toxin's unwillingness to participate, as the symbiote was still unclear on the complexities of moral thinking. Pat's attempted suicide over his broken life cause Toxin to consider his feelings more, leading to Toxin shapeshifting into an alter ego named Larry to interact with Pat's wife and son. Toxin then made this kindness into a deal. In exchange for continuing this service Pat would 'black out' and allow Toxin two hours of freedom to do as he wished, so long as there was 'no arson, no grand larceny and no homicide.' This continued for some time. During one of these blackouts, Toxin read Pat's laptop diary entries and destroyed the device when he became upset about Pat's opinion of him, specifically calling him a monster. When stealing a replacement in a misguided attempt to do the right thing, Spider-Man defeated Toxin and repeated his request for Pat to catch Razorfist, berating him for letting Toxin 'run wild.'[10]

After torturing his address out of Pat's ex-partner, Razorfist made an attempt to kill Pat in his own home but instead found his father who was killed in the struggle. Razorfist escaped whilst Pat checked on his father. Whilst discussing the possibility of killing Razorfist Pat said to Spider-Man "If I cross that line... throw me in Riker's and throw away the key."[12]

Toxin defeated Razorfist, and despite Razorfist's taunts, he refused to kill him, finally gaining control of the beast inside him. Pat then got back together with his estranged wife, Gina, and told her about Toxin and about the reason he had left her.[9]

It was revealed that Blackheart beat Pat Mulligan to death in a gutter and kept the symbiote in a secret lab in Las Vegas, until Jack O'Lantern, with the help of Venom, took it away.[13]


Currently None.


He was a police officer and has had formal training.[9]

Strength level

Toxin is superhumanly strong and can lift within 44 - 80 ton range[1], this is not his true limit as his strength increases with his size and variable muscle mass. His strength is stated to be greater than Carnage and Venom combined; thus enabling him to lift over 44 tons in a calm state. Toxin's size seems to fluctuate depending on his level of anger.[citation needed]


Formerly: Sonic and Thermal attacks but to a much lesser degree compared to the other symbiotes.



  • Formerly: Web-Slinging.


  • Formerly: Toxin can shape his limbs into various weapons, much like his father, Carnage.
  • Despite the fact that Spider-Man has teamed-up with Venom on numerous occasions, Toxin appears to be the first symbiote that Spider-Man considers an ally.[12]
  • Toxin has two facial appearances: He can form a jaw with sharp teeth, or he can go without one. When he goes without a mouth, his appearance looks like a cross between Spider-Man and Deadpool. With a jaw, he resembles a Carnage-like mouth and Venom-like teeth.[citation needed]
  • Rick Remender, the writer of Venom confirmed that Patrick had been killed by Blackheart who "beat him to death in a gutter".[13]
  • Personality and character-wise, Toxin is very similar to Hybrid, his predecessor.
  • Compared with the other symbiotes (She-Venom, Scream etc.), Toxin is considered to not be a "carbon copy" of his predecessors.
  • The symbiote inside him, having been just spawned, acts very immature and childlike, once refusing to aid Pat in battle until he apologized for an earlier argument, and even turned him into a scrawny weakling he called "mild mannered Larry" during his battle with Razor Fist[16], and broke his laptop after he saw Pat call him a "monster" on a blog[12] and later stole a bag of laptops to replace it, only to be stopped by Spider-Man[12].
  • Toxin is a second "hero" in the symbiote family after Hybrid.
  • The reason Toxin behaves differently than other symbiotes is because every 1,000 generations, a symbiote is born with genetic memory breakdown, which is basically symbiote amnesia, and must be taught by an older symbiote to correct the problem or be destroyed. Since he was abandoned right after he was born, he never learned how to act like a 'true' symbiote[10].

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