|“They don't call her 'The Quiet One' for nothing.”|
|— Simon, to the Police Commissioner, True Potential|
Simon (also known as the Good Detective) is a detective in the Ninjago police department.
Simon and Tommy interrogate Misako, but she refused to tell them where the Ninja were hiding. She tried telling them they were framed, but they didn't believe her. They left the room, but when they came back, they noticed she is gone.
The police eventually chased what they thought was Kai, but it turned out to just be a rat.
When the Commissioner told the police force the Ninja escaped from prison, Simon helped track them down.
When news broke out that the Sky Pirates are attacking the city, Simon told the Commissioner they didn't arrest the Ninja since they were trying to help. The Commissioner went after them anyway.
The detectives, Commissioner, and Ronin found Nya, Lloyd, and Cole near Tiger Widow Island. After telling them they realized the Ninja are not criminals, they showed them a bottle with Jay's message inside.
Simon and Tommy warned the Police Commissioner that Nadakhan found them.
When the trio were captured by Nadakhan, they were threatened to walk the plank. Tommy accidentally told them the Ninja still have the venom and jumped off. The other two followed, and they were surrounded by sharks.
Simon and Tommy are in a police car having coffee when the Sons of Garmadon drive by having a race. Tommy spills his coffee on him while Simon gloats he didn't. Tommy tells Simon to chase after Zane and the Sons of Garmadon and he does it. Zane jumps over the cops and hits their hood. Simon says he still didn't spill his coffee. After that, the air bag activates, squishing him and spilling his coffee.
Simon and the Commisioner watch Harumi as she remained silent before a crash was heard and to their shock, it was Lord Garmadon.
The police force began to arrest the Sons of Garmadon once more.
- 56. "Public Enemy Number One"
- 58. "Misfortune Rising"
- 60. "My Dinner With Nadakhan"
- 61. "Wishmasters"
- 62. "The Last Resort"
- Simon is based on Simon Lucas, Ninjago's Senior Creative Director.