Unpacking Toxicity in My Hero Academia Fandom

Some fans call it the “superhero anime for a new generation.” My Hero Academia exploded onto the scene in April 2016, airing on Mainichi Broadcasting System and TBS in Japan, and quickly became a global favorite. The show’s premise — a world where 80% of humanity is born with superpowers called Quirks — gave viewers a sprawling universe full of colorful heroes, villains, and big emotional arcs. Izuku Midoriya, known as Deku, starts Quirkless but inherits the ultimate power from the symbol of peace, All Might. That underdog journey resonated with millions.

Within a year, the anime’s second season aired on Yomiuri TV and Nippon TV, and North American fans got access through Crunchyroll and Adult Swim’s Toonami. By 2020, My Hero Academia became the second most “in-demand” TV title in the U.S. over 60 days, according to Observer, beating out western superhero shows. The show’s music — like Kenshi Yonezu’s “Peace Sign” — hit 48.6 million YouTube views in 2017, and physical media sales placed the Blu-ray and DVD sets in Oricon’s top animation rankings. On Tumblr, My Hero Academia ranked as the top Anime & Manga Show from 2018 to 2021, outpacing even long-standing franchises.

But when a fandom grows that quickly, and the stakes are that high, the cracks start to show. For My Hero Academia, the tension isn’t just about which character is stronger or who would win in a fight. The dark side of this fandom goes deeper: intense fan wars, ship wars, and even harassment have surfaced, raising real questions about how a community celebrates — or polices — love for a show.

Much of the toxicity began to emerge as the cast expanded and the plot tackled heavier themes. Characters like Katsuki Bakugo, known as Dynamight, started off as bullies but evolved into complex rivals for Deku. The 1-A class alone features more than a dozen students — from Ochaco Uraraka, who can make anything weightless, to Shoto Todoroki, the son of the No. 2 hero Endeavor, who controls both ice and fire. Fans started identifying closely with certain characters, leading to fierce debates about who deserved more screen time, more victories, or even more merchandising.

One specific flashpoint: “shipping” wars. Some fans championed the romantic pairing of Deku and Ochaco, especially after the show depicted them growing closer. Others preferred non-canon ships like Bakugo and Kirishima. As artists posted fanart depicting these relationships on social media, disagreements escalated, sometimes turning into targeted harassment. Some creators received hundreds of angry comments or even threats for how they portrayed a character or a relationship — even though the show itself never confirmed many of these pairings.

The show’s international success only cranked up the intensity. By April 2024, My Hero Academia ranked as the most popular animated superhero franchise, according to analyst Miles Atherton, tracking 4.7 million social media engagements for the month. With that level of attention, every plot twist or character decision sparked instant — and often heated — reactions. When the anime adapted the “Paranormal Liberation War” arc, which involved the deaths of major characters like Twice and saw public trust in heroes break down, disagreements about who was morally right or wrong sometimes spilled into attacks on fellow fans.

Cosplayers also found themselves at the center of these conflicts. Some fans criticized others for minor inaccuracies in costume or for “not looking enough like” the characters, which discouraged many from participating in conventions. Others faced backlash for cosplaying villains like Tomura Shigaraki or Dabi, who are linked to heavy themes of abuse and revenge in the storyline.

Voice actors and production staff weren’t immune, either. Justin Briner, the English voice of Deku, and Clifford Chapin, who voices Bakugo, became the focus of intense social media debates. Sometimes, their casting choices or off-hand comments — even innocuous ones — were dissected and criticized by vocal parts of the fandom. The show’s Japanese and English voice casts were often praised by critics, but even positive attention sometimes led to infighting among fans about which version was “better,” creating an environment where any difference of opinion could trigger a backlash.

Some of this tension is fueled by the series’ own structure. The anime has run for eight seasons and included four theatrical films as of December 2025, with episodes released in batches and periodic recap specials. Fans waiting months between story arcs sometimes filled the gap by debating theories, dissecting every trailer, and arguing over potential plot outcomes. When episodes didn’t meet expectations, or when adaptation choices differed from the manga, disappointment could turn quickly into anger at animators, writers, or even other fans.

The scale of the fandom makes these conflicts more visible. By 2026, My Hero Academia was named by Guinness World Records and Parrot Analytics as the “Most in-demand animated TV show,” with a global demand rating 57.5 times higher than the average TV show. That’s a bigger gap than the entire population of France compared to a small city. The sheer volume of fans means even a small percentage of toxic behavior can affect thousands.

Is the criticism fair? Some fans argue that strong opinions are part of any fandom, especially one as diverse as My Hero Academia’s, which spans continents, languages, and age groups. Others say the line is crossed when debate turns to bullying, doxxing, or campaigns to “cancel” artists or cosplayers for personal interpretation. The show itself often explores themes of forgiveness, growth, and the need to protect the vulnerable, with arcs that force even hardened characters like Bakugo to seek reconciliation with Deku, or villains like Himiko Toga to find understanding with Ochaco. Yet, the fandom sometimes mirrors the very conflicts the show is critiquing.

There’s also debate about whether the production team could do more to address toxicity. Interviews with producer Wakana Okamura and director Kenji Nagasaki focused on the desire to create a “high-quality production” with “a wide reach [both] internationally and domestically.” However, as the audience grew, official statements rarely addressed the internal conflicts or harassment happening on fan platforms. Instead, most interventions came from other fans — some creating safe spaces or moderating discussion boards, others calling for better behavior at conventions or on social media.

One of the most visible consequences has been the impact on young artists and writers. Many teenagers and young adults began drawing or writing My Hero Academia fanwork as their first creative outlet, only to be confronted by harsh judgment or gatekeeping. Some quit posting entirely. Others created locked or private groups to avoid public scrutiny, leading to a fracturing of the community into smaller, less welcoming circles.

What’s still being debated is whether this level of toxicity is an unavoidable side effect of popularity, or if there are structural ways to foster a healthier fandom. Some point to positive examples: community art collaborations, charity fundraisers, or fan-run panels at conventions that celebrate the diversity of interpretations. Others argue that the damage is already done — that My Hero Academia’s online spaces will always be battlegrounds, not safe havens.

With all this in mind, the question remains: if a fandom built around the ideals of heroism and saving others can’t protect its own community from infighting and hostility, what does that say about the power of stories — and the responsibilities of those who tell and love them?