Quote1 He's Jonathan the Unstoppable. They will write songs of his legend! Quote2
-- Gabby src

Squirrel Girl rescued Jonathan from a lab where he was being experimented on. She brought him to Wolverine's apartment, because she thought that she could talk to wolverines; however, she could not, though Gabby, Laura's clone sister, took an immediate liking to the animal.[1] Gabby and Laura later walked Jonathan in the park, where he was mistaken for a dangerous dog.[2]

Jonathan woke Logan up when Gabby and Laura brought him home after saving him from the bowels of Fin Fang Foom. He questioned the sanity of keeping a wolverine in an apartment, but Laura said that if they turned him in to the lab where Squirrel Girl had found him he would continue to be experimented on and eventually put down, which she said resonated with both her and Logan's own past.

Later, when burglars broke into the apartment, Jonathan attacked them and was shot by the thieves. This angered Laura, Gabby, and Logan and together they beat up the burglars; meanwhile, it turned out that Jonathan was not badly injured and so Gabby nicknamed him Jonathan the Unstoppable. The trio planned to turn the burglars over to the appropriate authorities; however, this plan was forgotten during a phone call to Director Maria Hill.[3]

Jonathan helped Laura fight against Captain America and S.H.I.E.L.D. when they came to detain Logan based on a prediction by Ulysses Cain.[4]

  • Jonathan is extremely protective of Gabby, and immediately charged at a burglar who pointed a gun at her despite the man being several times his size.[3]


  • As a wolverine, Jonathan is naturally very tough, and strong disproportionate to his size, with powerful claws and jaws.
  • Jonathan is able to see Gwen Stacy's hallucination of Spider-Ham, however it's unclear how this was possible.[5]

Strength level

  • Jonathan's strength has yet to be fully measured, however he presumably has the body strength, claws, and bite force of a typical wolverine. Gabby visibly struggled to control him on a leash when she and Laura took him on a walk in the park.[1]

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