Invincible Cookie is the main protagonist of the ''Cookie Run × Invincible'' collaboration update (v8.5). A powerful Cookie blessed with the strength of the distant Viltrum Dough, he is the superhero known throughout Earthbread as Invincible Cookie. He is the son of Omni-Man Cookie and Debbie Cookie, the older half-brother of Oliver Cookie, and the boyfriend of Atom Eve Cookie.

Raised in a peaceful corner of Earthbread alongside his family, Mark dreamed of becoming a hero like his father, the legendary Omni-Man Cookie. When his latent Viltrum Dough powers finally awakened, he took up the mantle of Invincible Cookie and began protecting Earthbread from monsters, villains, and threats from beyond the known kingdoms. As his adventures continued, Mark discovered that the legacy of the Viltrum Cookies was far more complicated than he had ever imagined, forcing him to choose between loyalty to his family and his duty to the Cookies of Earthbread.

Though still learning what it truly means to be a hero, Invincible Cookie never hesitates to leap into danger when Earthbread needs protecting.

== Appearance ==

Invincible Cookie is a Cookie with light golden dough, black hair styled into a distinctive widow's peak, and brown eyes. While he initially possessed a relatively average build, the awakening of his Viltrum Dough powers caused him to become noticeably stronger and more athletic. The hardships of his adventures are often reflected in the faint shadows beneath his eyes.

In his everyday attire, Mark wears a dark green shirt, khaki trousers, and white shoes. As Invincible Cookie, he dons a blue, yellow, and black hero suit. His costume features a yellow mask fitted with protective goggles, a yellow stripe running down the centre of his torso, blue shoulder patterns resembling the letter "M", yellow gloves, and blue boots. The suit is designed to withstand the immense speeds and impacts associated with his powers.

== Personality ==

Invincible Cookie is kind-hearted, courageous, and determined to help other Cookies. He believes that great power comes with the responsibility to protect those who cannot protect themselves. Unlike many warriors, Mark prefers finding peaceful solutions whenever possible and dislikes causing unnecessary harm.

Although optimistic, he can be impulsive and emotional, especially when his friends or family are threatened. His experiences as a hero gradually teach him patience and resilience, helping him mature into a dependable protector of Earthbread. Even after facing betrayal, loss, and overwhelming odds, he continues to fight for a brighter future for all Cookies.

His unwavering determination is perhaps his defining trait. No matter how many times he is knocked down, Invincible Cookie always finds the strength to stand back up and continue fighting for those he cares about.

== Powers & Abilities ==

As a Cookie descended from the legendary Viltrum Dough, Invincible Cookie possesses extraordinary abilities.

• Super Strength: Allows him to overpower most opponents and perform incredible feats of physical might.
• Flight: Can soar through the skies of Earthbread at tremendous speeds.
• Enhanced Durability: His dough can withstand impacts and attacks that would shatter ordinary Cookies.
• Enhanced Speed and Reflexes: Grants him exceptional mobility and reaction time.
• Rapid Recovery: Can recover from injuries faster than most Cookies.
• Boundless Potential: His powers continue to grow stronger through experience, training, and battle.
• Combat Expertise: Skilled in hand-to-hand combat thanks to extensive training and practical experience.

== Trivia ==

Invincible Cookie is based on Mark Grayson, the protagonist of the ''Invincible'' comic book series and animated adaptation. His costume is inspired by Mark Grayson's iconic blue-and-yellow superhero suit. He is one of the few collaboration Cookies whose powers originate from a civilization beyond Earthbread. His relationship with Atom Eve Cookie is retained from the source material. His title references his determination to continue fighting regardless of the odds. In the original animated series, Mark Grayson is voiced by Steven Yeun. Like his original counterpart, Invincible Cookie struggles to balance his responsibilities as a hero with his personal life.

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