[Male Tamer] & A 5th-grade student at [Haneul Elementary School]. His current [Partner Mecanimals] are [Evan] and [Sphinx]. He has short, downward-spiky red hair and yellow irises. During a Mecanimal battle, he throws three Mecards and says, "Setup, Mecard!" then shouts, "Lend me your strength, (Mecanimal Name)! Mecanimal Go, Fight!" to pop them up.

[Female Tamer] & A 5th-grade student at [Haneul Elementary School]. Her current [Partner Mecanimals] are [Tero] and [Mirinae]. She has long mint-colored hair and green irises. During a Mecanimal battle, she throws three Mecards and says, "Setup, Mecard!" then shouts, "Show your power, (Mecanimal Name)! Mecanimal Go, Fight!" to pop them up.

[Male Tamer] & A 5th-grade student at [Haneul Elementary School]. His current [Partner Mecanimal] is [Phoenix]. He has yellow hair that spikes upward with orange tips and mint-colored irises. During a Mecanimal battle, he throws three Mecards and says, "Setup, Mecard!" then shouts, "Fight to your heart's content, (Mecanimal Name)! Mecanimal Go, Fight!" to pop them up.

[Female Tamer] & A 5th-grade student at [Haneul Elementary School]. Her current [Partner Mecanimals] are [Drago] and [Landlifter]. She has beige hair tied in pigtails and mint-colored irises. During a Mecanimal battle, she throws three Mecards and says, "Setup, Mecard!" then shouts, "(Mecanimal Name), are you ready? Mecanimal Go, Fight!" to pop them up.

[Male Tamer] & A 5th-grade student at [Haneul Elementary School]. His current [Partner Mecanimal] is [Baet]. He has light purple downward-spiky hair with a single cowlick and yellow irises. During a Mecanimal battle, he throws three Mecards and says, "Setup, Mecard!" then shouts, "I'm counting on you, (Mecanimal Name)! Mecanimal Go, Fight!" to pop them up.

Oreum's partner Mecanimal. She has a cheerful personality like a high school girl and is quite mischievous.

Na Chan's partner Mecanimal. He is one of the Ultimate Seven. He is diligent and has a strong sense of justice.

Guest's partner Mecanimal. He mixes a tiny bit of English into his speech. He is an acquaintance of Evan.

Isobel's partner Mecanimal. She is mature and kind, and often gives advice to Isobel.