Gender: Male Birthplace: Earth (Land) Age: 12 Hair Color: Brown Eye Color: Brown Species: Human Occupation: Elementary School Student (5th Grade) → Prince of the Dragon Palace Affiliation: Youngwoong's Team (Sea & Land Alliance) Family: Father (Cha Jun), Mother (Ha Yeonsu) Items: Mecardball Picker, Grandball, Starter, Ignition Mecardball Specialty: Teleportation Partner Mechanimals: Akan, Pymos, Bertel, Hyper Cannon, Phoenixey, Cannon Twobite, Spearhead, Bitewolf Features: A 5th-grade boy with the ability to manipulate balls freely. Thanks to this, he is confident in any sport involving balls, such as baseball, soccer, and basketball. One day, while cleaning a warehouse, he meets the Mechanimal Akan, learns of the existence of Mecardballs and Mechanimals, and becomes a Mecardball Setter. When Bin attacks Earth in the combined Mechanimal 'Grandebon', he sets off for the Black Hole Planet with Kirayan to find clues for another combined Mechanimal. He has a bright, cheerful personality and is always full of confidence.

Gender: Male Birthplace: Another Dimension (Dimensional Planet) Age: 15 Hair Color: Silver Eye Color: Gold Species: Dimensional Planet Inhabitant Affiliation: Dimensional Planet, Black Coma → (Later) Youngwoong's Team (Land & Sea Alliance) Rank: Prince of the Dimensional Planet (Leader of the Black Coma gang) Family: Father (Amret), Mother (Empress, deceased) Items: Starter, Mecardball of Life, Ignition Mecardball Partner Mechanimals: Cannon Wilder, Petang, Roc, Cannon Toro, Krantz

Gender: Female Birthplace: Earth (Land) Age: Mid-to-late 20s (Estimated) Hair Color: Red Eye Color: Purple Species: Human Occupation: Thief, Setter Affiliation: Black Coma, Mabori Gang Partner Mechanimals: Twin Cannon Dracos (Dras), Pakira, Trickster Features: Hongri and Baeksan teamed up with the sole intention of getting rich by collecting Mecardballs. They plan to rule the world by finding scattered Mecardballs and Mechanimals. They appear wherever Mecardballs and Mechanimals are to interfere with Youngwoong, but they are a duo that is hard to hate due to their somewhat clumsy actions. When Sophia, the former OMS chairwoman, leaves OMS, they join forces with her to achieve their dream of world domination.

Gender: Male Birthplace: Earth (Land) Age: Mid-to-late 20s (Estimated) Hair Color: Orange Eye Color: Teal Species: Human Occupation: Thief Affiliation: Black Coma, Mabori Gang Partner Mechanimals: Twin Cannon Dracos (Cos), Pakira, Trickster Features: Hongri and Baeksan teamed up with the sole intention of getting rich by collecting Mecardballs. They plan to rule the world by finding scattered Mecardballs and Mechanimals. They appear wherever Mecardballs and Mechanimals are to interfere with Youngwoong, but they are a duo that is hard to hate due to their somewhat clumsy actions. When Sophia, the former OMS chairwoman, leaves OMS, they join forces with her to achieve their dream of world domination.

Gender: Male Birthplace: Earth (Land) Age: 15 Species: Human Affiliation: OMS Rank: OMS Elite Setter Family: Parents (Deceased) Items: Mecardball NEW Picker, Starter, Ignition Mecardball Specialty: Ball Spirit Partner Mechanimals: Redron, Tailed Dragon, Cannon Barnum, Grandebon Features: A Mecardball Setter for OMS who betrays the OMS chairwoman and joins forces with Black Coma to complete the combined Mechanimal 'Grandebon'. He is tall, rarely speaks, and is characterized by his intense gaze and a sneer that seems to look down on others. He is a self-centered individual who believes only he is the best, and he is the type who isn't satisfied until he has crushed his opponent so badly they can never challenge him again.

Gender: Female Birthplace: Earth (Land) Age: 10 Hair Color: Pink Eye Color: Pink Species: Human Occupation: Elementary School Student (3rd Grade) Affiliation: OMS Rank: OMS Elite Setter Family: Parents Items: Starter Specialty: Berserk Energy Partner Mechanimals: Force Puncher, Despion, Gryphon Rider, Ansi