Sylvain was the caretaker of the theme park in St. Mystere. He now works in the sewers of St. Mystere.
Sylvain wears a red cap, blue jacket and beige trousers.
Sylvain gives the following puzzles in Professor Layton and the Curious Village:
"As park steward, Sylvain used to keep the park in top shape, but when people stopped visiting, he decided to close it up. However, the upside of that is he gets to enjoy the rides without having to wait in line."