Jackson's emotional instability and identity issues prevented him from becoming a true werewolf. The rejection of the werewolf bite and his inner turmoil led to a twisted transformation, manifesting as the Kanima.. Jackson Whittemore (Colton Haynes) becomes the first kanima after his body rejected the bite of an Alpha. His emotional issues cause this rejection and turn him into the reptilian shapeshifter. He does become a werewolf later on, but still maintains certain aspects of the kanima and seems to have control over his combined powers. Kitsune
'Teen Wolf' Season Finale Recap: Jackson Becomes A Werewolf Stop reading if you haven't watched the 'Teen Wolf' season finale. It's spoiler time! The saga of the Kanima finally came to an end.. Hence he has to give in to Jackson's wish. Season 2 starts showing Jackson being a supernatural being, but instead of becoming a werewolf, he turns into a shapeshifter named Kanima. Jackson (Teen Wolf) (Credits: YouTube) This twist happened due to the rejection happened in his body after the bite.