Shackwell is a man in Professor Layton and the Last Specter who you see in the hidden hideout of the Black Ravens. His life is consumed by bidding in auctions, which is why he is always seen around the black market.
Shackwell wears yellow trousers, a blue suit, white shirt, and a red tie. He also wears brown shoes and small, round glasses.
Shackwell gives the following puzzles in Professor Layton and the Last Specter:
After completing the puzzle A Token Puzzle, Shackwell gives the course Spindly Spires for the Fish mini-game.
"A man whose life has been consumed by the forces of the black market, Shackwell is Louis's father. He has invested so much of his family's wealth in auctions that his finances have long since spiraled out of control."