Luka Couffaine

"Music is often simpler than words."

- Luka

Luka is a character who appears in the second season of Miraculous: Tales of Ladybug & Cat Noir. He is Juleka Couffaine's older brother, and also a new student at Collège Françoise Dupont, who attracts the attention of Marinette Dupain-Cheng.

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

Civilian attire
His attire includes a white shirt with a black Jagged Stone imprint, and black jeans ripped at the knee. He also wears a brown leather bracelet, yellow and orange wristbands, and his fingernails are painted black. He has a sky blue jacket with a navy blue hoodie underneath, as well as black high top converse with multi-colored splotches. He wears a black ring with silver outlining on his left pointer finger and black gauges in his ears.

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As Silencer
He has blue skin and wears a pink, black and yellow-ish outfit with a jagged mouth.}}

Personality
Unlike Juleka Couffaine (Luka's sister), Luka is a calm and mysterious boy who has a mixed personality of being playful, charming, mature and flirtatious. He is skilled at reading people's emotions and expressing it through music with his guitar, quote on quote "I tend to make more sense with this." He is very kind and generous, especially towards Marinette Dupain-Cheng by cheering her up in "Captain Hardrock". He compliments her by calling her "amazing" and also "unbelievably brave" when he is in front of Ladybug.

In the episode "Frozer", Luka seems to be easygoing and relaxed. He kindly helps Marinette tie her laces on her figure skates and doesn't react when she kisses him on the cheek.

Marinette Dupain-Cheng/Ladybug
Marinette and Luka first meet in "Captain Hardrock", and Luka falls in love with her at first sight. His mother sends her down to go get him to rehearse with the band. Marinette, who is still bothered by Adrien not coming, and not knowing who Luka is or what he looks like, is startled by him as he opens his eyes, and starts to stutter and mix up her words. He simply teases her playfully about her stuttering but immediately regrets it when she frowns, embarrassed. Reacting to her frown, he apologizes and begins to play his guitar. Her warming up to him as she listens to him play the guitar, he believes that music is "often simpler than words". As a memento, he lets her keep a guitar pick of Jagged Stone that she admires, leaves her in thought, calling her a "funny girl" with a sweet hidden smile. Luka and Marinette exchange sweet glances to each other when Alya notices Marinette's interest in Luka immediately and teases her about it. He compliments Marinette throughout the time he has with her, helps her escape and hide, and is also worried about her when he talks to Ladybug. Finding out Marinette is safe he calls her "unbelievably brave", and Marinette, as Ladybug, blushes at his comment. He spends time with her in "Frozer" when she begins to doubt her relationship pursues of Adrien offering her support while at the ice rink. Afterwards he isn't fazed when Marinette thanks him by kissing him on the cheek.

Luka appears to respect Ladybug. When Ladybug unties him in "Captain Hardrock", he asks her about Marinette, to which Ladybug tells him that she's safe and was the one who alerted her to the situation. In "Mayura", he participates in the Parisian rebellion in order to help Ladybug and Cat Noir in defeating Hawk Moth.

Adrien Agreste/Cat Noir
Luka doesn't know Adrien too well, but when Luka meets Adiren in "Captain Hardrock", Luka welcomes him into the band. In "Frozer", Luka notices that Marinette seems to have feelings for Adrien and advises her to talk to him.

{{HideSpoiler| He meets Cat Noir as Silencer annoyed at the fact that he was interfering with his plans, threatening to take his voice away.

Bob Roth
When Bob steals Kitty Section's idea for XY's new song, Luka goes along with Marinette to angrily confront him. Though he attempts to retain his cool, upon witnessing Bob threaten Marinette, he becomes so angry that he gets akumatized. As Silencer, his main goal is to force Bob to admit that he stole Kitty Section's idea on live TV.}}

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

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As Silencer
As Silencer, Luka can steal people's voices by touching their lips and making a shushing motion; the voice will then escape from the person as a jellyfish-like entity. Once their voices are out, he can store them inside his mask and then he can talk with them using his hands. If his power is used on a Miraculous holder, he can render them virtually powerless unless he says the invocations in their place.}}

Trivia

 * The name Luka means "light" in Latin.
 * Luka was first revealed in a French synopsis for Season 2 on Le Figaro.
 * He was later revealed to be Juleka Couffaine's older brother in a Brazilian synopsis for Season 2 on O Universo da TV.
 * According to Feri González, Luka is a handsome boy and people "are going to fall in love with him."
 * She also noted that both Luka and Kagami Tsurugi are "charming, rounded characters" who are not limited to roles as alternate love interests.
 * In "Captain Hardrock", just like Marinette, Luka is also a fan of Jagged Stone.
 * According to Thomas Astruc, Luka is approximately two years older than Juleka.
 * In the Russian dub, his name is changed to Luke.
 * All the Couffaine's names so far end with -ka.

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