Slender teenager boy, a pale pink lips, a blue eyes, medium-length black hair with dyed teal blue, a white shirt with a black Jagged Stone imprint and black jeans ripped at the knee, a brown leather bracelet, yellow and orange wristbands, a fingernails are painted black, a grayish cerulean jacket with a blue hoodie underneath, a black high top converse shoes with different colored patterns, a black ring with silver outlining on his left index finger and black gauges in his ears
Help Ladybug and Cat Noir fight Hawk Moth's akumatized villains Get Bob Roth to tell the truth on television (failed; as Silencer) To learn the secret that Marinette is keeping from him (failed; as Truth)
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, known as Viperion is a recurring character of Miraculous Ladybug.
In "Silencer", when Bob Roth threatens Marinette after she accuses him of stealing Kitty Section's idea for XY's new song, he is akumatized by Hawk Moth into Silencer, a voice-stealing supervillain.
In "Desperada", after Adrien Agreste gives up being Aspik for not being able to help Ladybug against the titular villain, she gives Luka the Snake Miraculous. When the Miraculous is inhabited by Sass, he becomes Viperion, a snake-themed superhero who helps Ladybug and Cat Noir during "particularly difficult missions" in Season 3.
In "Truth", after Marinette refuses to tell him her secrets, Luka is akumatized and amokized by Shadow Moth into Truth, a three-eyed supervillain that forces people to tell the truth and his emotions form the giant eye sentimonster.
In "Wishmaker", during the fight against the titular villain, Luka, as Viperion, is able to discover, accidentally, the true identities of both Ladybug and Cat Noir, who got exposed after being affected by the villain's powers. Because of his power to go back in time, the two main heroes are unaware that Luka knows who they are.
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