K.C. undercover

K.C. Cooper

• Personality: Outspoken, confident, ambitious, and athletic, yet socially awkward around guys she likes. • Traits: A brilliant math whiz, computer programmer, and karate black belt who struggles with lying to people outside of her missions—especially her best friend. • Ernie's big sister.

Ernie Cooper

• Personality: Underestimated, loyal, and easygoing. • Traits: The family's computer and tech genius who handles behind-the-scenes mission support, gadgets, and system hacking while often playing the foil to K.C.'s action-heavy role. • KC's younger brother.

Judy Cooper

• Personality: Sarcastic, precocious, and blunt. • Traits: A $5 million humanoid robot disguised as a young elementary-school girl who delivers deadpan humor and possesses superhuman physical and digital abilities.

Craig Cooper

• Personality: Supportive, protective, humorous, and warm-hearted. • Traits: A senior spy accountant and devoted dad who balances high-stakes government work with typical overprotective fatherly antics. • KC and Ernie's dad.

Kira Cooper

• Personality: Strong-willed, decisive, clever, and nurturing. • Traits: A fierce, capable female spy and mother who frequently takes charge during critical operations while keeping the family grounded. • KC and Ernie's mom.

Marisa Miller

• Personality: Bubbly, fashion-obsessed, carefree, and loyal. • Traits: K.C.'s best friend who brings high energy, social enthusiasm, and comedic relief to everyday high school scenes.

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