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Sass, Scales Slither!
~ Luka during his transformation into Viperion
That's nice of you, sir, but my life is already filled with music. And I might have a brand new song to write.
~ Luka Couffaine

Luka Couffaine is one of the two tritagonists (alongside Ryuko) of Miraculous: Tales of Ladybug and Cat Noir. In season 3, he receives the Snake Miraculous from Master Fu, which, when inhabited by the kwami Sass, can transform him into Viperion, a snake-themed superhero.

He is voiced by Andrew Russell in the English dub, Maxime Baudouin in the original French version, and Yūichirō Umehara in the Japanese dub.


As a civilian, he has aqua eyes and medium-length black hair that includes dyed teal blue tips. His lips are pale pink, and he has a Roman nose.

As Viperion, he wears a black and cyan suit, appearing to be slender and muscular. His suit has a snake texture along with the same kind of underbelly like a snake and he has a cyan-colored mask around his eyes. His weapon appears to be a harp or lyre.


In contrast to his younger sister Juleka, Luka has a calm and mysterious personality. He is adept at reading other people's emotions and claims he can express them better with music than with words. He is also a very kind and generous person, which especially shows when he's around his crush Marinette.

Despite his kindness, the episode "Silencer" shows that his niceness does have its limits when Bob Roth and XY plagiarizing his and Marinette's band's song and costume, followed by Bob threatening to use his power in the music industry to make Marinette look like the plagiarist, causes him to get angry enough to be akumatized.

Powers and abilities

As a civilian

Luka is excellent at playing his guitar. In "Frozer", he's also good at ice skating and is also fairly strong as he can lift Marinette Dupain-Cheng with ease.

As Viperion

Like all Miraculous wielders, Viperion has enchanted abilities like speed and strength, and most notably agility, being able to jump much higher than either Ladybug or Cat Noir. His weapon is his lyre. His special ability is called Second Chance, which allows them to mark a place on his bracelet and use it to go back in time after an undesirable outcome occurs.


Season 2

In "Captain Hardrock", Luka and Marinette first meet and Luka quickly develops romantic feelings for her. He also helps to hide Marinette from his mother after she is akumatized.

Season 3

In "Silencer", Luka is akumatized by Hawk Moth into the voice-stealing supervillain Silencer. Luka even confesses his feelings to Marinette as both Silencer and himself.

In "Party Crasher", Master Fu lends Luka the Snake Miraculous to help defeat the titular akumatized villain, after which he presumably returned it to Fu.


  • Luka Couffaine is the sixth person to become to a Miraculous holder who was also an akumatized villain, following Nino Lahiffe in "The Bubbler" and Alya Césaire in "Lady Wifi", Lê Chiến Kim in "Dark Cupid", Max Kanté in "Gamer", Chloé Bourgeois in "Antibug", but excluding Gabriel Agreste\Hawk Moth, who akumatized himself in "The Collector" into the titular villain.
  • His English voice actor, Andrew Russell, who also voiced Jaken in Yashahime: Princess Half-Demon.
  • Due to the battle with Wishmaker, Luka is the only one of the French Miraculous Team to know that both Ladybug & Cat Noir are Marinette & Adrien. But thanks to his powers, they don't know that he knows.


           Miraculous- Tales of Ladybug and Cat Noir logo.png Heroes

Main Heroes
Ladybug | Cat Noir

Rena Rouge | Carapace | Queen Bee | Bunnyx | Viperion | Pegasus | King Monkey | Ryuko | Pigella | Vesperia | Polymouse | Purple Tigress

Order of the Guardians
Master Fu | Su-Han

New York
Eagle | Uncanny Valley | Majestia | Knightowl | Doorman | Victory | Hurricane | Snowflake | Mercury

Ladydragon | Chung, Kang, and Jiao | Mei Shi

Tikki | Plagg | Wayzz | Trixx | Pollen | Fluff | Sass | Kaalki | Xuppu | Longg | Mullo | Ziggy | Orikko | Daizzi | Barkk | Stompp | Roaar | Liiri

Long Long | Tang Tang | Xiong Xiong | She She | Ma Ma | Roa Roa | Ying Ying | Hou Hou

French Miraculous superhero team | United Heroez