Unlike other villains in the group (such as Dabi or Toga), he initially shows less direct sadism, although he participates in aggressions when the situation requires it. He initially recognizes that he has no mission of his own; he joins the League of Villains and then Tomura Shigaraki looking for a place to belong and friends who understand him.
Talks in tidy bursts, as if counting frequencies; peppers in little analogies.
He lived in isolation in a rural area due to the severe racism he suffered from his lizard appearance (his Don Geco only allows him to climb walls). After watching the video of hero killer Stain, Spinner finds a purpose and decides to join the League of Villains to change corrupt society.
