10 worst rivalries in anime, ranked bad to worse

10 worst rivalries in anime, ranked bad to worse

In anime, rivalries can be compared to the spice in ramen – they add excitement and intensity, but too much can spoil the experience. Some rivalries in anime are thrilling and keep viewers on the edge of their seats, while others can feel repetitive and never-ending. The genre often features intense rivalries that propel the story forward with epic battles and intense confrontations.

Despite the dramatic and intense rivalries between characters such as Ino and Sakura in Naruto and Spike and Vicious in Cowboy Bebop, these conflicts in anime can sometimes lack depth, making them appear contrived and one-sided. As a result, they are often forgotten by viewers.

Therefore, discussions among fans often revolve around the most contentious rivalries in anime. These examples center on instances where characters become adversaries for seemingly unfounded reasons or in situations where one holds a significant advantage over the other.

Please be aware that the views expressed in this article are solely those of the writer and may contain spoilers for the Demon Slayer series.

Characters from Attack On Titan: Eren and Jean

Eren from Attack on Titan (image via Wit Studio)
Eren from Attack on Titan (image via Wit Studio)

Despite its reputation for thrilling battles and unpredictable plot twists, Attack on Titan has faced criticism from fans who feel that the rivalry between Jean and Eren lacks authenticity and comes across as contrived. The two characters’ initial encounter was rife with tension, but not the kind that captivates audiences. Jean’s possessive attitude towards Eren irked the latter, and their rivalry intensified when Jean became envious of Eren’s close relationship with Mikasa.

Despite their initial clashes setting the foundation for a rivalry, it ultimately falls short in contributing to the growth of their characters or advancing the overall narrative. Rather, it feels like a needless subplot in the series, making it one of the weakest rivalries in anime.

Ash and Gary’s Journey in the World of Pokemon

Ash Grey from Pokemon (Image via OLM)
Ash Grey from Pokemon (Image via OLM)

Despite being a timeless anime that has captivated fans for generations, the dynamic between Ash and Gary in Pokémon feels more like a repetitive sitcom. Right from the start, when Ash receives his first Pokémon, Gary Oak confidently asserts himself as the better trainer. However, amidst the thrilling battles between them, their animosity becomes one of the most toxic rivalries in the world of anime.

The rivalry between Gary and Ash initially shows potential as they engage in sporadic battles throughout Ash’s journey through the Indigo and Orange Leagues. However, their rivalry ultimately lacks depth and falls short. Gary’s sole motivation seems to be hindering Ash’s progress, resulting in a one-dimensional dynamic where he lacks any unique personality traits outside of his rivalry with Ash.

Although initially enjoyable, the ongoing nature of this rivalry ultimately becomes tiresome for fans. Rather than embracing the adventurous and exploratory spirit of the Pokémon world, it reduces it to a superficial contest between two egos.

8) Characters of Samurai Champloo: Mugen and Jin

Mugen and Jin, one of the worst rivalries in anime (Image via Manglobe)
Mugen and Jin, one of the worst rivalries in anime (Image via Manglobe)

The anime Samurai Champloo successfully combines elements of samurai aesthetics, relaxed lofi hip-hop music, and contemporary humor. While Jin and Mugen’s rivalry is a key aspect of the story, it may not always delve as deeply into their contrasting personalities as one might expect.

Despite Jin representing the disciplined samurai archetype, the outlaw persona of Mugen constantly creates tension between them. This rivalry, while adding to the charm of the series, can also be considered one of the most intense rivalries in anime. It is similar to a chess match where neither player is willing to make a move, providing entertainment for a short time but ultimately leaving fans feeling frustrated. However, the evolution of their relationship, characterized by begrudging respect, adds depth to the overall story.

7) All Might and Endeavor from My Hero Academia

Young All Might (image via Bones)
Young All Might (image via Bones)

In My Hero Academia, the focus on the rivalry between All Might and Endeavor intensifies throughout several arcs, exposing the negative aspects of competition. Despite their impressive speeches and heroic actions, this rivalry is regarded as one of the most toxic in anime. Endeavor’s relentless determination to surpass All Might leads him to sacrifice all other aspects of his life, using the legendary hero as his ultimate measuring stick for success.

Despite Endeavor’s relentless drive to claim the number one spot, All Might remains dedicated to his duty of protecting and serving others, paying little attention to their rivalry. However, this unwavering determination comes at a price, putting Endeavor’s family in danger as his obsession damages his relationships and causes him to mistreat his own children, particularly his older son Toya and his youngest son Shoto.

Ino and Sakura from Naruto

Ino and Sakura fighting (Image via Pierrot)
Ino and Sakura fighting (Image via Pierrot)

Despite being filled with epic battles and intense rivalries, the feud between Ino and Sakura over Sasuke in Naruto feels more like a high school drama than a ninja showdown, making it one of the least impressive rivalries in anime. These two skilled kunoichi were once inseparable since childhood, but when they both developed feelings for Sasuke Uchiha, it caused a strain on their friendship that only worsened over time.

Despite being trained to be skilled ninjas, their development is heavily centered around Sasuke, which has been criticized by fans for being superficial and lacking respect. Despite becoming Tsunade’s rival students, their personalities remain largely unchanged. This emphasis on their rivalry shifts the focus of the series from action to drama, taking away from the gravity of their ninja training and the overall plot.

Characters from Cowboy Bebop

One of the famous worst rivalries in anime, Spike Spiegel and Vicious (Image via Tomorrow Studios)
One of the famous worst rivalries in anime, Spike Spiegel and Vicious (Image via Tomorrow Studios)

Despite being a beloved anime with a fantastic soundtrack and a cast of fan-favorite characters, Cowboy Bebop’s depiction of the rivalry between Spike and Vicious has received criticism from fans. Many feel that their constant one-upmanship and fixation on their pasts resembles a toxic relationship rather than a true rivalry, causing them to lose sight of their ultimate goal of defeating the show’s villains.

Despite the ambiguity surrounding Spike’s future, it is undeniable that his journey is closely connected to that of Vicious. While their rivalry initially captures the attention of viewers, it ultimately falls short and leaves them yearning for its resolution. This detracts from the exciting plot of bounty hunting and intergalactic exploration, leaving a desire for more substance and less dramatics. It is widely regarded as one of the weakest rivalries in anime.

Characters from Demon Slayer

Kokushibo from Demon Slayer (Image via Mappa)
Kokushibo from Demon Slayer (Image via Mappa)

Despite its reputation for intense battles, the rivalry between Kokushibo and Yorichii in Demon Slayer has been heavily criticized for its lackluster execution, leading many to consider it one of the weakest rivalries in anime. As twin brothers, Kokushibo, previously known as Michikatsu, harbored a deep resentment towards his sibling.

Despite being saved by the now stronger Yoriichi, Michikatsu’s resentment only intensified. He found himself unable to surpass Yoriichi and ultimately joined the Demon Slayer Corps, where he learned Moon Breathing. However, he eventually succumbed to Muzan’s influence and transformed into a demon.

Despite the desire for a more engaging and coherent storyline as a result of this imbalance, the rivalry between Kokushibo and Yorichii in Demon Slayer highlights the importance of intricate character growth and significant resolution of conflicts in manga storytelling.

3) Two Rival Volleyball Players from Haikyuu

Oikawa and Ushijima in an intense scene (image via Production I.G.)
Oikawa and Ushijima in an intense scene (image via Production I.G.)

Haikyuu is renowned for its captivating volleyball matches and endearing characters, yet amidst the on-court drama and personal growth, the rivalry between Oikawa and Ushijima stands out as one of the fiercest in anime.

Although Oikawa views Ushijima as his rival, Ushijima does not see Oikawa as a worthy adversary and consistently emerges victorious in their encounters. As a result of his bitterness towards Ushijima, Oikawa became distant and hostile towards Kageyama. In fact, Oikawa’s competitive relationship with Ushijima caused him to hold a grudge against all talented individuals.

Oikawa’s burning ambition is to defeat Ushijima, even just once. Fans see their intense rivalry as reminiscent of a fierce volleyball match, where they often spend more time debating over who has the superior spike rather than focusing on self-improvement and becoming better players.

Speed O Sonic and Saitama from One Punch Man

Saitama vs. Speed-o'-Sound Sonic ( image via Madhouse )
Saitama vs. Speed-o’-Sound Sonic ( image via Madhouse )

Despite its reputation for over-the-top battles and humorous characters, the rivalry between Speed o Sonic and Saitama in One Punch Man falls short of an epic showdown.

In any other anime, Sonic would be a formidable opponent. He possesses the ability to defeat numerous adversaries without them even realizing it, but in comparison to Saitama, Sonic’s abilities fall short. Though Sonic sees their rivalry as important, Saitama doesn’t view him as a rival nor does he even remember him.

Despite the opportunity to improve himself as a hero, Speed o Sonic is fixated on proving his superiority over Saitama, resulting in a rivalry that is widely regarded as one of the worst in anime.

1) Characters from Naruto: Kakashi and Might Guy

Might Guy and Kakashi, one of the worst rivalries in anime (Image via Pierrot)
Might Guy and Kakashi, one of the worst rivalries in anime (Image via Pierrot)

Despite being from the same village of Konoha, Might Guy and Kakashi share a lacklustre rivalry that is often considered one of the most humorous and light-hearted in anime. However, it is also commonly regarded as one of the weakest rivalries in the genre. Despite their formidable ninja skills and unique abilities, their rivalry dates back to their childhood, where Kakashi was praised as a prodigy while Guy struggled with mastering chakra manipulation.

Despite their rivalry, Guy and Kakashi’s interactions seem to serve more as lighthearted diversions rather than having a significant impact on the story. They partake in friendly competitions like races, silly strolls around the village, and playful challenges. Interestingly, Kakashi, who is typically serious, never turns down Guy’s playful challenges. However, although enjoyable initially, it eventually becomes less enchanting.

In conclusion

Despite the flashy fights, the rivalries in anime failed to satisfy fans’ cravings. Rather than character growth, viewers were hoping for intense conflicts and emotional depth, which were lacking due to missed opportunities and unresolved issues.

Some fights in anime are justified due to the characters having valid reasons for their anger towards each other. However, there are instances where the origins of certain rivalries remain unclear to fans and don’t necessarily make sense.

While an anime may not be completely ruined by a poorly developed rivalry, it could greatly diminish the enjoyment for a large number of fans. If a rivalry fails to captivate or interest viewers, it can take away from the overall appeal of the anime and result in disappointment and dissatisfaction among the audience.

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