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Characters / Mythical Detective Loki Ragnarok

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The characters of the manga and animes series Mythical Detective Loki Ragnarok:

Beware of unmarked SPOILERS!

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Main Characters

Loki: I wonder... what sort of case this'll be.

Adult Loki voiced by: Takahiro Sakurai (JP), Jose Diaz (EN), Gonzalo Fumero (LA)
Child Loki voiced by: Yuriko Fuchizaki (JP), Gonzalo Fumero (LA)

The trickster god of Norse Mythology, Loki was for unknown reasons banished to the human world in the body of a ten year old boy by Odin. Loki runs the Enjaku Detective Agency to deal with the strange and supernatural, but his real desire is to return to Asgard and find out why he was exiled in the first place.

  • Anti Anti Christ: Doesn't want to cause Ragnarok no matter what fate says.
  • Bishōnen: As an adult.
  • Calling Your Attacks: 'magic spell name' variety
  • Celibate Hero:
    • Other than his affair with Skuld in the anime, Loki doesn't seem interested in a relationship. Though, that's probably because he already has a wife.
    • He's in love with Mayura in the manga, but he's oblivious to his feelings. It's Lampshaded.
  • Chick Magnet: Whether as his Bishōnen form or his younger form, he attracts a crowd. An episode in the anime attributed it to his "adorable smile".

     Mayura Daidouji 
Mayura: Maybe I'm just worried you're about to leave... and go far away. That's why!

Voiced by: Yui Horie (JP), Kira Vincent-Davis (EN), Anabella Silva (LA)

Mayura Daidouji is an ordinary high school student who is drawn into Loki's detective agency, as well as the mysterious world of Loki and the Norse gods and goddesses. She joins the agency as Loki's self-proclaimed assistant, but she is unaware that everyone she meets is a god, goddess, or someone Norse-related, though in the manga Mayura has a sharper sense than in the anime. She seems to have feelings for Loki.

Supporting Characters

     Yamino Ryusuke 
Yamino: All we want is to remain by your side. Wherever that may be, as long as you're happy, so are we, Master Loki.

Voiced by: Shin-ichiro Miki (JP), Illich Guardiola (EN), Luis Enrique Poján (LA)

Loki's butler and assistant, Yamino has a fondness for cooking and mail-order items. He is revealed to be Jormundgand, Loki's second son.

Narugami: I know you well, Loki, yet despite that fact, I have no reason to kill you.

Voiced by: Showtaro Morikubo (JP), Chris Patton (EN), Ezequiel Serrano (LA)

Disguised as a transfer student in Mayura's class, Narugami is really the Norse god of thunder and has been sent to kill Loki, but decides not to only because he hasn't found a reason to kill Loki yet. He is often called "Narukami" by Loki. A running gag is that Narugami ends up having a multiple of different part-time jobs.

Ecchan: Punyaan~.

Voiced by: Misato Fukuen (JP), Serena Varghese (EN), Maite Bolívar (LA)

A Shikigami spirit conjured up by Loki.


Heimdall: I'll kill Loki no matter how great the sin. It's only a matter of time. By my own right eye, I swear it. Just you wait... Loki.

Voiced by: Romi Park (JP), Greg Ayres (EN), Johnny Torres (LA)

The watchman of Norse Mythology, Heimdall is sent by Odin to kill Loki, but it's more of a personal vendetta — Heimdall seeks revenge against Loki for stealing his right eye, and he will not rest until vengence is his.

  • Absurdly Sharp Claws: The reason he's always wearing gloves.
  • Arch-Enemy: Considers Loki to be this. In an omake, he's seen writing a song devoted to his hatred of Loki and between classes he thinks about how much Loki sucks. On a less amusing note, if he and Loki were to actually duke it out, both would die.
  • The Corrupter: He states that as a child, his only power is to create darkness in people's hearts.
  • The Chessmaster: He does a good deal of this during his introduction, however he turns out to be pawn.
  • Creepy Child: While he looks like a small child, he did create a bunch of murder games to screw with Loki.
  • Cool Pet: He has a falcon.
  • Conspicuous Gloves: Heimdall constantly wears a pair of very obvious gloves. The reason for this is to cover up his claws.
  • Death of the Old Gods: Discussed. Hoenir pretty much says it's time for Freya, Frey and Heimdall to retire.
  • Eye Scream: Downplayed. When we get to see what's under his bangs, all there is is a closed eyelid. Though, the scar over the eyelid implies that however it was removed, it was not pretty.
    • He also tries to stab Loki's eye out.
  • Forceful Kiss: Heimdall did this on Mayura early into the story. Not because he had feelings for her, but only to screw with Loki's head. Which worked— to the point that Loki seems quite a bit jealous when Mayura shrugs it off in the manga.
  • God in Human Form: While on Midgard.
  • Heterosexual Life-Partners: With Freyr.
  • Hypnotize the Princess: Pulls this on Mayura.
  • Louis Cypher: Averted. Heimdall goes by the alias Kazumi Higashiyama.
  • Manipulative Bastard: He's messed around with events to try and kill Loki. In episode eighteen, when Loki briefly assumes his personality, even Heimdall was a little creeped out.
  • Magical Eye: His right eye has many magic powers.
  • Modernized God: Heimdall, despite his overly serious character appears to have adjusted alright to modern day. He participates in activities such as cram school and dresses like a normal kid in stark contrast to Loki and Frey's rather formal attire.
  • Morality Pet: Heimdall is ruthless when going after Loki and doesn't care if people get killed. However, he will go on shopping trips with Frey and even stopped going after Mayura after Frey decided he liked her.
  • Peek-a-Bangs: To hide his missing eye.
  • Really 700 Years Old
  • Red Eyes, Take Warning: Very much so.
  • The Rival
  • Roaring Rampage of Revenge: Episode 21.
  • Sleep-Mode Size: He's not an actual child, he just looks like one since he was sent to Midgard.
  • The Unfettered: Heimdall has said it himself he will do whatever it takes to kill Loki, no matter how evil the means. Subverted later when he stops targeting Mayura because Frey likes her.
  • Villains Out Shopping: for reasons unknown, he takes singing lessons, piano lessons and attends cram school. Also, more literally, Frey has a tendency to drag him into shopping sprees.
  • You Gotta Have Blue Hair: Heimdall's hair is purple.

Freyr: Why, Heimdall. Don't get so worked up. The battle between gods is a glorious thing. You should really learn to savor it.

Voiced by: Takehito Koyasu (JP), Jason Douglas (EN), Salvador Pérez (LA)

Freyr is a mysterious thief who falls in love with Mayura at first sight. He works with Heimdall and has a robotic pig named Gullinbursti. Freyr came to the human world in search of his sister Freya, who was banished to the human world like Loki.

     Reiya Ohshima 
Reiya: Yes, and I owe it all to you. You protected me, you alone, stood by me like a prince stands by his princess.

Voiced by: Rika Komatsu (JP), Brittney Karbowski (EN), Yensi Rivero (LA)

Reiya is a child who comes to the detective agency to solve an unusual mystery surrounding her. In the manga, Reiya hires Loki on the mystery her nightmares of her deceased sister, while in the anime, she hires Loki on the mystery of her mansion. She develops a crush on Loki. Reiya is revealed to be Freya put into a child form. Unlike Loki, Reiya does not have any memories of being Freya. Reiya becomes Freya when wearing the necklace Brisingamen, as well as when she becomes frightened or jealous of the female attention Loki receives.

Freya: ''I loved you from the very bottom of my heart, and I knew all along that you didn't. To love someone who never notices you. To give someone the gift of love, only to have them be completely oblivious to it. Do you think it's easy to be the goddess of love? I was lonely, but I should have saved myself the trouble and never have fallen in love with you. At least then, I would never have incurred Odin's wrath in the first place. I wouldn't have suffered for you as I had did. I'll never forgive you, you hear me? Never!

Voiced by: Junko Asami (JP), Shelley Calene-Black (EN), Yensi Rivero (LA)

Freyr's sister and the goddess of beauty, fertility, and love. After begging Odin for Loki's return, Freya was punished by being exiled to the human form in the body of a child and without her memories — that child being Reiya. As a result, Freya is vengeful against Loki for this, but in spite of this, her feelings for Loki are just as strong as ever.

Urd The fated hour has come.

Voiced by: Mariko Suzuki (JP), Kaytha Coker (EN), Maite Bolívar (LA)

One of the three Norn Sisters. In the manga, they appear to have a second agenda differing from that of Odin's. In the anime, they are sent to kill Loki. Urd is seemingly the leader of the three sisters and enchantments are her forte.


Verdandi: Yes, we must follow fate's path, wherever it leads.

Voiced by: Mamiko Noto (JP), Tamara Levine (EN), Yasmil López (LA)

One of the three Norn Sisters. In the manga, they appear to have a second agenda differing from that of Odin's. In the anime, they are sent to kill Loki. Verdandi is the second eldest of the sisters and works with dark alchemy.

Skuld I don't understand... I just don't understand. Were we... Was I... involved with him?

Voiced by: Mai Nakahara (JP), Melissa Davis (EN), Melanie Henríquez (LA)

The youngest of the three Norn Sisters. In the manga, they appear to have a second agenda differing from that of Odin's. In the anime, they are sent to kill Loki. Skuld has a demon as a familiar. She has feelings for a rather oblivious Loki in the manga, while in the anime it's implied that the two might have or might have not have had an affair in the past.

Fenrir: Daddy~!

Voiced by: Hirofumi Nojima (JP), John Swasey (EN), Rolman Bastidas (LA)

A talking dog that is revealed to be the wolf Fenrisulfr, Loki's eldest son. In a Running Gag, Fenrir acts sweet towards Loki and bossy towards Yamino.

Hel: It's so cold, and it hurts so much. But compared to the world that I lived in, this is nothing. And when I was back home and when I felt alone, was it only my heart that was frozen?

Voiced by: Omi Minami (JP), Rozie Curtis and Taylor Hannah (EN), Jhaidy Barboza (LA)

A mysterious pink haired girl who has a connection to Loki and seeks for his demise. She is revealed to be Loki's only daughter — the goddess of the underworld and a half-corpse. Her role in the manga and anime differ; in the manga, Hel only wants Loki to stay with her in the underworld forever, while in the anime, Hel's reason for her desire for Loki's death is because Odin led her to believe that her father and brothers all abandoned her and hated her.

  • Tranquil Fury: In the anime, Hel hates Loki because it is implied that Odin convinced her that her father Loki and her brothers all hated her and left her behind.

Odin: Loki, as he who reigns supreme over all gods, I hereby deliver onto you a new sentence. One of complete and utter annihilation. I shall destroy you and forever purge your existence from the flow of time. There will no longer be a place for you in the realm of the gods, Loki.

The King of the Gods who seeks Loki's demise.

Other Characters

     Misao Daidouji 

Misao: I don't give a damn what you do to me, do you hear me? Know that to protect his daughter's life, any father would sacrifice his own!

Voiced by: Keiichi Sonobe (JP), John Gremillion (EN), Renzo Jiménez (LA)

Mayura's father. He is protective of her and dislikes her constant fascination with the occult, as well as her friendship with Loki. Unlike Mayura, her father has a sixth sense and is aware that there is something strange and supernatural about Loki.

     Kotarou Kakinouchi 
Kotarou: Try not to fall in love with me.

Voiced by: Koichi Tochika (JP), Blake Shepard (EN), Antonio Delli (LA)

A wealthy and snooty classmate of Mayura's. In the manga, Koutarou — nicknamed Kou by Loki — proves to be a valued asset and as great as a detective as Loki, who becomes friends with him. However, his role differs in the anime, where he hangs out with Loki and company and has several meetings with the enigmatic Hel.


A significant character to the sequel manga series and a new character appearing in the end of the last episode of the anime. Spica is a good-natured but clumsy girl who becomes a maid at the detective agency. She is revealed to be Angrboda, Loki's mistress and the mother of Jormundgand, Fenrisulfr, and Hel.

     Utgard- Loki 

A manga-only character. Utgard-Loki is the former life of Loki's — the King of Utgard, Land of the Giants. He holds half of Loki's power. It appears he has a strange obsession over Spica.


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