Jones is the main character of the series. He once claimed that he himself was the first detective in the whole second grade. Mila Yeh is the partner of Jigsaw and his best friend. She also might be his love interest. Room 201 Bigs Maloney is one of the class's nicest people and the toughest and the strongest in second grade. Miss Gleason, the class teacher Lucy Hiller, student in Jigsaw's class Bobby Solofsky, an enemy detective to Theodore. Jasper "Stringbean" Noonan, nicknamed because he is as thin as a stringbean. Timothy O'Brien, they called him Wingnut because his ears were three sizes too big. Ralphie Jordan, The Class's Clown and Prankster. Others in Jigsaw's school Mr. Rogers, the principal Mr. Copabianco, the janitor Jigsaw's Family Jigsaw's dad, who was a detective when he was in Grade 2, and studied in the same room (Room 201) as Jigsaw. Mom, came from Hackensack, New Jersey, is very strict about the words "hate" and "dumb". Billy, Daniel and Nick, older brothers of Jigsaw Hillary, Jigsaw's older sister Rags, Jigsaw's dog Grams Others Mike and Mary, owner of Our Daily Bread and Brownies shop near the school, and family friends of the Jones. Marc (Red Cap), a teenager who lives near Our Bread and Pita, friend of Jigsaw, Mike and Mary. Reginard Armitage Pinkerton III, the richest kid of the town. Chase Jackson, the star of the TV show Spy Guy and Jigsaw's friend. Chase appeared in the book #31 The Case of the Spoiled Rotten Spy" References Notes Also published in 2017 as The Case of the Smelly Sneaker'' External links Author James Preller's website Mystery novels by series Series of children's books American children's novels Children's mystery novels