Male, 12 years old Earthling A righteous and passionate boy with red hair. He is also the son of El Topo. He treasures Mecanimals and loves mini-cars. While searching for his missing father, he decides to help Evan find Tanatos as well. Mecanimals in possession: Evan, Phoenix, Wingtok, Tador, Mothton, Stronghorn, Krang

Female, 12 years old Blue Land A smart and calm girl with mint-colored hair. She is Dr. Franklin's daughter. (Her father lost his physical body during the last war, but his soul resides within Isobel's pendant necklace.) Following her father's wishes, she came to Earth to seal the Mecanimals. However, her heart changed after meeting Chan. Mecanimals in possession: Tero, Mirinae, Cockat, King Jaws, Croky, Octa, Neo

Male, 12 years old Red Hall A high-spirited boy with orange hair. He is the second prince of Red Hall, possessing strong pride and an aggressive nature. He aims to revive Red Hall, which was destroyed by war. He carries a radar that can track the location of Mecanimals. Mecanimals in possession: Alta, Shuma, Titan, Pyon, Prince Kong, Ursus

Male, 12 years old Black Mirror A mysterious boy with blue hair who speaks little. He is quick-witted and speaks in a commanding tone. He possesses excellent battle skills. He has been brainwashed. Initially, he observes while giving orders to the Goblin Squad, but he joins the battles as the struggle intensifies. Mecanimals in possession: Tanatos, Venosa, Dokori, Mantari, Gryphon

Male, 10 years old Black Mirror A member of the elite Goblin Squad. He is Dana's brother. Dabi is the self-proclaimed #1 handsome guy of the Goblin Squad. He is a kind older brother to Dana. He is full of bluster and a bit of a fool. Mecanimals in possession: Mugan, Prince Na

Female, 9 years old Black Mirror The self-proclaimed #2 beauty of the Goblin Squad. She is full of bluster but is also a crybaby. She often mimics what her brother Dabi says. Mecanimals in possession: Kangshi

(Mr. K) Male, 32 years old Black Mirror A mysterious masked figure. He possesses terrifying battle abilities, but his true identity is shrouded in mystery. He is the developer of the Mecanimals and Na Chan's father. After evacuating the Mecanimals from Black Mirror, he was kidnapped and became El Topo, a top executive of Black Mirror. Though his memories were erased through brainwashing, he occasionally wavers.