Real name: Kang Parang. A 12-year-old boy who loves skateboarding and rap. He has black eyes and hair. (For some reason, he has traveled back to the past where his mother {Violet/Codename V} is 12 years old, and he is hiding that fact.) He cannot cook.

Codename V. Real name: Lee Sun-sim. A 12-year-old girl with teal eyes and brown hair. She has a strong yet kind personality and acts as a leader. She is a top-tier ace agent of the MSG intelligence agency, holding a higher rank than other official agents. Her signature look is pigtails. She cannot cook. She is Kang Parang's partner and future mother (since she doesn't know about the future, she has no idea Parang is her son). In fact, she and her older brother, Sirius K, escaped just before being raised as human weapons for Cosmo, the world's largest terrorist organization.

The rival of the protagonist, Kang Parang. A self-proclaimed genius agent. Like other agents, he is jealous of Parang for becoming Violet's partner, but his jealousy is extreme because he is deeply in love with Violet. He is an agent with a bowl cut and condescending eyes who wears a black skin-tight suit. He cannot cook. He has a large tear-shaped mole under his right eye. He is sly and arrogant, constantly mocking Parang. Because he is always overconfident yet clumsy, he is quite unreliable. (He is Parang's future father, though Parang doesn't know this either.)

Codename K. A blunt and cold 15-year-old boy, and Violet's older brother. He is one of the Four Heavenly Kings working for the Cosmo villain 'Burning Man.' He was originally an MSG agent, but one day he suddenly betrayed his comrades and now works with Burning Man, remaining a mysterious figure. He has gray hair.

A penguin. He looks cute but is extremely cruel. He possesses cold judgment and rarely speaks.

An extreme narcissist. He always carries a rose (which he uses as a bomb or shuriken). Surprisingly, he can be a bit of a klutz. A beautiful boy with blonde hair and blue eyes. He is one of the Four Heavenly Kings working for the Cosmo villain 'Burning Man.' He has cat-like features (sharp eyes) and a bit of red makeup around his eyes.

A female electric guitarist who loves punk rock. She has two-toned blue and pink hair tied to the side and pink eyes. She neutralizes opponents with the sound of her electric guitar. She is one of the Four Heavenly Kings working for the Cosmo villain 'Burning Man.' She has a sensitive and rough personality.