Jack is the Municipal Garbage Corporation's grapple crane. Unusually, he has a face on his grapple bucket, unlike any other crane. The teeth on his bucket also give the impression of his mouth.
Books and Annual Stories
- 1990 Annual (game)
- Jack is the only non-marine character with a face, all other cranes, business managers, and Puffa spoke through megaphones.
- Jack's face is located on his garbage grappling bucket.
- In Bigg Freeze, Jack had a cold. An out of order board was kept beside him.
- A similar grapple crane appeared in the annual story, Loading Grain.
- Jack was renamed to "Scoop" in Salty's Lighthouse.