Martin Scarfman (formerly Pirate with a Scarf) - a newly-hired employee of Mystery Shack turned out to be the former pirate from the Victorian era after a mysterious time portal within a whirlpool in the sea that sucks him into the modern-day. He suddenly finds himself solving the mysteries on his own when he finds a diary of a time traveler that causes the whirlpool and becomes a part-time detective and explores the town. His new name is an allusion to his voice actor.

Darlene Maya Paguio - an anthropomorphic Lego Minifigure ninja diagnosed with autism was one of Mystery Shack's attractions. She becomes Scarf's companion and can assist him in need. She mastered many martial arts and various skills and also wanted to solve every riddle she could find.