Choi Kang-lim is Koo Ha-ri's boyfriend, but he didn't join the Guido Exorcists to betray her; he did it to save his brother. Weapon: Golden Dragon Exorcist Sword.

Guido Cheong's real name is "Kim Cheong-ha." She is the one who brought Choi Kang-lim into the Guido Exorcists and frequently uses plant-related abilities. Weapon: Divine Tree Halberd. Skills: "Divine Tree Seal": Summons tree vines to tightly bind the opponent. "Healing Plant": Summons green vines to heal the target. She has curly long green hair and blue eyes.

Guido Hyeon has dark purple hair and has worn an asymmetrical hairstyle since childhood, hiding his left eye with his bangs. Weapon: Snake Sword Skills: "Ten Thousand Shreds": Splits the snake sword into numerous fragments to shred enemies over a wide area. "Dark Whirlwind": Rotates the sword to create powerful winds and storms for offense or defense.

Lamia is the Grim Reaper and the creator of Red-Eye. She has long white hair with blood-red tips and wears a crown with a long veil. Her outfit is a dress in a white and red color scheme matching her hair. Weapon: Death Scythe.

In Season 5, Joobi loses his voice after Cheong steals the power of the Ores, but regains his strength when Cheong returns it. Weapon: Lightning Squeaky Hammer

Geumbi can use time-manipulation abilities and speaks in a Busan dialect. She is well over 1,000 years old. She wears a red ribbon around her neck and a pink dress with a yellow hourglass design. Weapon: Magic Cube

Always confident and currently dating Choi Kang-lim.

Koo Ha-ri's younger brother who plays pranks every day.

Leon stays with Aegis, but he can occasionally transform into Cain.

Shinbi is often called a 'two-head-tall' figure because his head is as large as his body. Weapon: Goblin Bat