Don Crumlin is a character in Cars 2. He is a Gremlin who works for Professor Z.


  • On some websites, he is called "Russ Gremlin."
  • Don Crumlin is named after Don Crum, a Pixar animator.
  • Don Crumlin is the only Lemon whose surname isn't that of his make and model (interestingly enough, Fred Pacer was once known as Fred Fisbowski, and Petrov Trunkov was once known as Petrov Oilski).