Demon Slayer features the Hashira, a group renowned for their formidable prowess in battling demons, often regarded as the elite demon slayers within the series. While they excel independently, their effectiveness could be amplified by the right companions. Outside of their occasional reliance on Kusagai Crows for locating demons, the involvement of supernatural entities could turn these slayers into unstoppable forces.
In this context, pocket monsters from the Pokémon universe emerge as ideal partners. However, akin to the synergy observed with Kusagai Crows, pairing Pokémon with Hashira requires character alignment and compatibility. This article showcases nine Pokémon that would make exceptional companions for each of the Demon Slayer’s Hashira.
Disclaimer: This article may contain spoilers from the Demon Slayer manga series and reflects the author’s views.
9 Pokémon that would complement Demon Slayer’s Hashira
1) Shinobu Kocho – Dustox

Shinobu Kocho, the esteemed Insect Hashira, is distinguished by her expertise in poison and her pursuit of lethal concoctions. Dustox, a Bug/Poison-type Pokémon, would be an ideal partner, providing toxic elements essential for creating poisons that could incapacitate demons instantaneously.
2) Kyojuro Rengoku – Blaziken

Kyojuro Rengoku, characterized by his radiant smile and valiant nature, was among the most powerful Hashira before his tragic encounter with Akaza. A suitable partner for Rengoku would be Blaziken, a Fire-type Pokémon capable of enhancing his fire-based attacks and providing formidable support in combat.
3) Giyu Tomioka – Gyarados

As the Water Breathing master, Giyu Tomioka requires a partner that embodies his elemental strengths. Gyarados, a Water/Flying-type Pokémon, stands out as an ideal match, possessing robust water-based abilities that could amplify his Water Breathing techniques during battles.
4) Tengen Uzui – Lucario

Tengen Uzui, the Sound Hashira also known as the God of Festivals, exudes pride and confidence. Lucario, a Fighting/Steel-type Pokémon, perfectly embodies this prideful demeanor and would provide a synergistic combat asset, bolstering Uzui’s capabilities in battle.
5) Mitsuri Kanroji – Mimikyu

Mitsuri Kanroji, the Love Hashira, is celebrated for her warmth and friendly nature while grappling with insecurities related to her appearance. Mimikyu, a Ghost/Fairy Pokémon masked in a disguise, resonates with Mitsuri’s personality and could offer her the comforting companionship she seeks during combat.
6) Muichirou Tokito – Froslass

Muichirou Tokito, the Mist Hashira, is both powerful and enigmatic, embodying a quiet, yet potent presence. Froslass, an Ice/Ghost-type Pokémon, aligns with Muichirou’s abilities and would enhance his Mist Breathing techniques, turning their synergy into an impactful force against adversaries.
7) Obanai Iguro – Serperior

Obanai Iguro, the Serpent Hashira, has crafted a unique breathing technique reminiscent of serpentine movements. Serperior, a Grass-type Pokémon with a snake-like form, serves as an ideal companion, capable of aiding Iguro in executing his swift attacks against demons.
8) Sanemi Shinazugawa – Staraptor

Sanemi Shinazugawa, the fierce Wind Hashira, embraces a combative spirit, often preferring to face challenges alone. Staraptor, a bold and combative Pokémon, mirrors Sanemi’s aggressive style, enhancing his combat prowess and adaptability in the heat of battle.
9) Gyomei Himejima – Golem

Gyomei Himejima, arguably the mightiest Hashira, is renowned for his commanding strength and mastery of Stone Breathing. Golem, a Rock/Ground-type Pokémon, mirrors his resilience and raw power, providing invaluable support during intense confrontations against demons.
Concluding Thoughts
Partnering Pokémon with Hashira could remarkably enhance their effectiveness in battling demons. These supernatural beings not only assist in exploiting the slayers’ strengths but also cover potential vulnerabilities, enabling them to confront formidable Upper Moons with greater assurance.