THE MAIN CHARACTERS
Kaeden Boa Vista – The son of the late famous detective Red Boa Vista. He does not want to get involved to the matters of police but always get drawn with it. He has an estimated IQ of 160.
Josephine Garcia – Kaeden's childhood friend and partner in crime. She is a mystery geek and is always the reason why Kaeden is drawn into murder cases. She is called "The Madonna of Mystery" in their college days.
Jun Mercurio - Kaeden's grandfather from his mother's side. He is the only guardian left for Kaeden. An ex-marine, he is also a very talented investigator. During the time of Kaeden's father, he was called the Classy Poirot.
Troy 'Trek' Severino - A computer whiz shut-in that specializes in hacking and databasing. Due to unknown reasons, he sometimes willingly helps Kaeden in his cases. His codename online is E.Queen. He has an estimated IQ of 140.
Hailey Mallari - Kaeden's long-lost cousin. She lived in Germany for ten years. She is a full time youtuber, doing make up tutorial and promotion videos. She is called The Female Mycroft by the Germany's Police Force. She has an estimated IQ of 180.
Chelsea Castiglione – the only daughter of a rich businessman. She debuts in The Ace of Spades Serial Murders. She is an indie pop idol who likes to cosplay and a girl who would do everything for a man she loves. Josephine's rival.
BAGUIO MPD, INVESTIGATIONS UNIT FIRST DIVISION
Senior Inspector Basil Del Valle – An inspector of the metropolitan police and Red's former partner. He leads the First Division of the Investigations Unit. He is famed in the department as a sharpshooter and excellent in the art of Jeet Kune Do. (Season 1 – SPO4 to Inspector, S2 – S3 – Senior Inspector)
Major Greg Castillo - A police major who has been investigating and looking for Master Murderer from Hell for a long time. He is the brain of the investigations unit in charge in tracking the crimes perpetuated by the Master Murderer from Hell.
SPO2 Alfred Santiago – A personally chosen partner of Inspector Basil. He believes that the justice system of the Philippines is upright, and will do anything he can to expose the criminals. His strong sense of justice is what Basil recognized him for. (S2 – S3 – SPO2)
SPO4 Ricardo Buscarile – A rough and tough policeman trying to track down the crime planners. A very dedicated officer and was one of the key policemen in keeping the whole city safe.
SAN RAFAEL VIOLENT CRIMES UNIT 3
(Appearances: San Rafael Cliff Incident, Shadow, Down at the Booth, The Clash of White and Black)
Inspector Antonio Buendia – The leader of Violent Crimes Unit 3 from San Rafael. He is a classmate of Basil when they were in the Police Academy. He is famous for his excellence in Brazilian Jiu-jitsu and gun handling. He is a big fan of classical music.
PO1 Remedios Arkanghel – a well-trained police officer assigned to investigate violent crimes. She is one of the few recommended officers by the academy with outstanding performance. She is a fast runner.
PO1 Winston Pagsanjan - a quirky police officer who always teams up with Remedios in their duties. He is secretive on his personal life; thus, no one really knows what he likes that much. However, most of the other officers know that he at least like gimbap.
CEBU MPD, VIOLENT CRIMES UNIT 1
(Appearances: The Ace of Spades Serial Murder Case)
Senior Inspector Phillip Rivas – the leader of the Violent Crimes Unit. A very intelligent policeman and has a strong sense of justice.
PO3 Enrico Salcedo – a policeman who can't read the air. He worked his promotion by catching criminals during his Riot Division days. He is tasked to inspect the crime scene and catch criminals if caught red handed.
PO3 Zavier Calao – a policeman who loves mathematics. He always warns Enrico to be sensitive at times as his jokes might hurt or offend people. His job is to search for people that the unit needs to investigate or interrogate.
PO2 Sedro Martin – the profiler of the unit. He studied profiling at the FBI and came back to Cebu after two years.
PO1 Jeric Estabillo – a new member of the unit. He is the unit's runner – he goes to anywhere is tasked to investigate, search, inspect or rescue.
MANILA MPD, COLD CASES UNIT
(Appearances: The Armchair Case, Art Movement)
SPO1 Leonard Joaquin – the leader of the Cold Cases Unit. He is an on-foot policeman who does the questioning and interview for the bereaved family of the victims.
PO3 Hygia Dela Vega – the profiler of the unit. She went to study profiling at the FBI together with Sedro. She is Troy's cousin.
PO3 Allen Pacheco – the unit's researcher. He was a part of the Cybercrime Division but got transferred to the Cold Cases Unit after he had an argument with the higher ups.
Dr. Blair Banna – the unit's forensic scientist and medical doctor. He worked at NBI but for some reason, got transferred to the Cold Cases Unit.
THE CRIME PLANNERS
Sam - A mysterious woman. She is an assistant of Master Murderer from Hell. She negotiates with people to commit crime according to their master plan. Her crime plans are focused on puzzles and locked room styles. Her code name is The Queen of Death.
Janus - A mysterious man. He is an assistant of Master Murderer from Hell. He prepares all the things needed in the master plans. His crime plans are usually focused on impossible magic tricks and occultic murder tricks. He makes sure that the plan will be smooth, trackless and there's nothing to be seen by the police. He always makes sure there is an escape route for them and an escape car. He likes to drive luxury cars. His code name is The Reaper of Souls.
Master Murderer from Hell – He is a man enshrouded with mystery. He creates murder plans for fun and let other people do the dirty work for him. His crime plans focus on using science and literature references to throw away the investigators to the truth. Because of him wearing different prosthetic masks, his real identity is actually unknown. The Moriarty to Kaeden.
RECURRING CHARACTERS
Dr. Crisanto Quirino - A very well-known psychiatrist; Inspector Basil's friend. He has helped a few of Basil's cases in the past. He does not like to be connected to the police work, in any matter, as he believes that saving people from their depression and anxiety is what he is called for.
Renato Garcia - a rich businessman who owns tons of businesses in the Philippines, including financing, malls, banks, resorts, money changers, restaurants and hospitals. He is a big philanthropist and a friend to the Boa Vista family. Josephine's father.
Crescencia Garcia - the daughter of a jeweler business giant. She spends most of her time going to beauty spas more than her family's business. She loves paprika and pizzas more than anybody. Josephine's mother.
Ricardo Rodriguez - A famous mystery author. He is known for his locked-room murder novels and somehow, met Kaeden's father when he was still alive.
Eric Del Valle - a barista working at Mycroft Cafe. Basil's nephew. He is a Forensic Science graduate.
Dr. Esperanza Datuin - a consulting psychiatrist from San Rafael, Bulacan.
Dr. Cresencio La Madrid - a general practice doctor from San Fernando, Pampanga.
Elmer Buencamino - a traveling artist from San Quintin. He is known for his very detailed paintings and even gained recognition abroad.
Dustan Angeles - a famous actor. Known for his romance-action television dramas and movies.
Matilda Locsin – a famous indie actress. A very energetic woman. Known for her fantasy-romance and historical-romance dramas. She is romantically attracted to Kaeden, but often falls into seeing Kaeden's intelligence over solving her crime puzzles.
Erica Buensalida – a night market vendor from Baguio City. She sells fashion clothes and even crafts cosplay costumes.
Hilda Cordel – a famous actress. Best known for being the antagonist of numerous soap operas.
Johann Choi – A Korean actor who became famous in the Philippines. Best known for being the love interest of the antagonists in numerous romance dramas or soap operas.
Sienna Legarda – A car dealer from Baguio City. Because of her natural born beauty, night dark hair and sweet voice, she became the top earning car dealers in the Philippines. She also does voice acting and modeling as her side job. She is the face of Caramel & Apple shampoo.
Stephen Curtis - a very talented race car driver. He drives a modified Toyota Sprinter Trueno AE86, a former model of the WARAS Auto Company and is also rumored to be the son of a senator from his mistress.
Mitchell Magno - a young taxi driver. Hailey's good friend. He is a quirky person and always tries to make jokes that he thinks is funny, but sometimes turns into either offensive or dark humor to those who hears it.
GUEST CHARACTERS
From Fuurinkazan's novel "Forget Me Not"
Rei Perez – a BS Computer Science student from Puleun Nabi College of the Philippines. He is good in software development and even won the Provincial Competition for game programming. He however lost to Troy Severino during the All Level National Competition.
Ji Yeon Soberano - a BS Secondary Education student from Puleun Nabi College of the Philippines. She is a half Korean who went to the Philippines to study since 2008. She decided to stay in the Philippines for good. +
From Fuurinkazan's novel "Criminal X"
SPO4 Ell Bonifacio – The leader of the Special Countermeasures Unit from Manila. He is a well-respected policeman among his peers and men. He is a very talented marksman.
PO3 Voltaire Inosencio – A member of the Special Countermeasures Unit led by SPO4 Ell. Among the members, he is the leader's most trusted member and often getting dragged in different troubles.