The mayor of Madakueruyobaka, a town in the state of Moukuenka, Mexico, surrounded by steep cliffs except for a single bridge. He has an exclusionary personality and loathed the Nohara family, including Hiroshi.

The sheriff of Madakueruyobaka. He always follows the mayor and echoes his words, but his skills and physical abilities as a sheriff are quite high.

The sole employee of the Futaba Shoji Madakueruyobaka branch, established for Hiroshi's transfer.

A masked wrestler. He is quite strong with a good physique and spirit, but due to his cowardly nature, he makes excuses like "I hurt my knee" to avoid getting in the ring. He usually works at a butcher shop, and when his face is revealed, Himawari gets scared.

A Mexican man. He speaks beautifully about singing songs of love for the sake of all things beautiful while holding his guitar, but Shinnosuke mocks him as an "unemployed middle-aged guy." After being attacked by a Killer Cactus, he undergoes a shocking transformation into a flamboyant persona.

A teacher at the Madakueruyobaka Kindergarten that Shinnosuke attends. She has a bright personality and a great body; Shinnosuke is even impressed by the sharpness of her hip movements when she dances. She is skilled enough to hold her own against the Killer Cacti and possesses the strength to break locks by swinging stones wrapped in cloth like a whip.

Real name Francisca. A Mexican girl living near the Nohara family's new home. Due to puberty, she is foul-mouthed, shy, and moody. She is often seen taking photos with her smartphone, which led to Shinnosuke giving her this nickname.

A cactus researcher invited to the Cactus Festival. He has a habit of responding with "That's a good question" when asked something.

An elderly man with white hair. He sheltered survivors in his shop and served cola to the exhausted Nohara family.

A trio of Chihuahua brothers Shiro met. They were ill-mannered and initially stole Shiro's food, but after being saved by Shiro during a Killer Cactus attack, they joined his group.