Potato

As a wandering stray dog, this adorable creature is rarely found without Kirishima Kano by its side. While the character primarily serves as a source of comedic relief throughout the series, it actually plays a pivotal role in the plot by facilitating the initial encounter between Kano and Yukito. Known for its signature catchphrase, "Piko," this loyal companion shares a deep bond with its favorite humans and adds a lighthearted charm to every scene it inhabits.