Read him a horror story of your choosing!!! (Also day 5!!!)
Miles Prower (マイルス・パウアー Mairusu Pauā?), better known as Tails (テイルス Teirusu?), is a character that appears in the Sonic the Hedgehog series. He is an anthropomorphic two-tailed fox cub and Sonic's best friend and sidekick who was born on West Side Island. He can use his tails like helicopter rotors to fly and has a remarkable IQ with excellent mechanical engineering skills. Since they met, Tails has accompanied Sonic in his adventures to thwart their nemesis, Dr. Eggman.

Tails is loyal, kind, and curious. In his early years, he was frequently bullied for his twin tails. His life took a positive turn when he met Sonic, forming an unbreakable bond with him. This relationship has made him more confident, growing into a more outgoing, brave, independent individual who strives to become a hero in his own right.
The idea of a companion to Sonic was made in Sonic the Hedgehog 2, developed by the Sega Technical Institute (STI). To decide on this sidekick character, a contest was held at the STI which was won by Yasushi Yamaguchi, originally the main artist and level designer for Sonic Team. Yamaguchi's character concept was to hold a "deep admiration for Sonic".[14] The name "Miles Prower" is a pun on miles per hour, with "Prower" being an alteration of the word power to avoid making the character sound too powerful.[15] Marketing director Al Nilsen and product manager Madeline Schroeder insisted that the name be changed to "Tails", which Yamaguchi opposed.[16] Alternately, Yuji Naka claimed that the name "Tails" came up during his meeting with a producer from ABC at the time.[17] A compromise was reached: the name "Miles Prower" would be the character's real name, and "Tails" would be his nickname.

According to Yuji Naka, the character was originally intended to be a tanuki, modeled after a UFO catcher plushie,[18] although Yamaguchi clarified that Tails was intended to be a fox from the beginning.[19] Naka instructed Yamaguchi to make Tails cute, inspired by Kitsune from the Urusei Yatsura series.[15] Yamaguchi designed Tails so he would appeal to Japanese audiences, where the Sonic series was not as popular as in the West.[15] Tails initially had one tail but received his twin tails for a stronger impact, inspired by Myau from Phantasy Star.[15][18] Despite claims to the contrary, the character was always intended to be male.[17] Additionally, he originally had completely black, round eyes. Yamaguchi imagined Tails as a five year old, although his final age ended up being eight. The character's three bangs were also intended to erupt from the right side of his head instead of the middle.[19] Finally, the relationship between Tails and Sonic was inspired by the dynamic between Gohan and Piccolo from the Dragon Ball franchise.[20]

Sonic Team faced challenges while converting the characters into 3D for Sonic Adventure. The perception that Sonic's design was "dated" allowed the team to redesign him, Tails, and the rest of the cast.[21] Tails, like the other characters, was redesigned by Yuji Uekawa, giving him longer limbs and blue eyes. Adventure also popularized the name "Tails" in Japan, where he was previously called "Miles".[21]

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Voice

Several people have portrayed Tails in the games; initially voiced by male child voice actors before being portrayed by female voice actors. Kazuki Hayashi voiced Tails in Sonic Adventure. In both Sonic Shuffle and Sonic Adventure 2, Tails was voiced by Atsuki Murata, who would be the last male child voice actor. Ryō Hirohashi, who voiced Tails in the Sonic X anime series, reprised her role as him in Sonic Heroes, and has continually voiced Tails in the games since. In Sonic Generations, the character's past-self was voiced by Takuto Yoshinaga.

The first English-language voice actor for Tails in the video games was Corey Bringas, from Sonic Adventure and Sonic Shuffle. His younger brother, Connor Bringas, replaced him as Tails for Sonic Adventure 2. In Sonic Heroes, Tails was voiced by William Corkery, who would be the last male child voice actor. Amy Palant, who voiced the character in Sonic X, replaced Corkery from 2005's Shadow the Hedgehog. Palant was later replaced by Kate Higgins from 2010's Sonic Free Riders to 2013's Mario & Sonic at the Sochi 2014 Olympic Winter Games. Colleen O'Shaughnessey, who voiced the character in Sonic Boom, replaced Higgins from 2016's Mario & Sonic at the Rio 2016 Olympic Games onwards. Higgins would later reprise her role as Tails in both Sonic Colors: Rise of the Wisps and Sonic Colors: Ultimate. In Sonic Prime, Tails was voiced by Ashleigh Ball.

Appearance
ails is an anthropomorphic fox cub with two tails. He possesses mostly amber fur with white countershading around his muzzle with cheek tufts, belly and the tips of his tails. He also has large triangular ears with white canals on top of his head, a small black nose and three locks of hair on his forehead. For attire, he wears cuffed white gloves, white socks and red shoes with white tips.

Tails' original design, most notably Classic Tails, has a roughly round torso, short limbs and black eyes. His fur was often portrayed inconsistently in the 1990s, ranging from orange to yellow to brown. His modern design gives him taller proportions, a more rectangular torso, blue eyes, and consistently amber fur.
Past
Present

Miles Prower was born on West Side Island[4] with a genetic abnormality that gave him a pair of tails. This trait earned him the nickname "Tails" and made him a frequent target of bullying.[22]
Tails' life took a positive turn when he met Sonic the Hedgehog, who had set up camp on West Side Island while adventuring. He idolized Sonic for his positive attitude, and followed him around the island when the hedgehog resolved to thwart Doctor Eggman's plan to gather the seven Chaos Emeralds. He proved a valuable partner, helping Sonic reach Eggman's Death Egg and defeat the doctor there.[23] Tails and Sonic subsequently ventured through Angel Island, where the Death Egg had crash-landed, to destroy the space station. Although the heroes were repeatedly sabotaged by Knuckles the Echidna, who was misled by Eggman into thinking they were evil, they eventually befriended him and destroyed the Death Egg for good.[24][25] Apart from West Side Island, Tails has also been known to take a vacation on Cocoa Island, where he once stopped the Battle Kukku Empire from gathering the Chaos Emeralds there.[26]
Tails continued to assist Sonic in subsequent adventures. The duo stopped Eggman from exploting the power of the Phantom Ruby,[27] faced a bounty hunter called Fang the Hunter,[28] met older versions of themselves,[29] and destroyed the doctor's Death Egg mk.II,[30] among many other conflicts. Every time, the heroes emerged victorious. Tails also embarked on a solo adventure at one point, facing a villain known as Witchcart who was enslaving the inhabitants of a remote island.[31]

Eventually, Tails embroiled himself in a conflict surrounding Chaos, a deity of destruction unleashed by Eggman for his plans. Despite initially accompanying Sonic, Tails got separated from him, leading to him realizing he could not always depend on him and had to become a hero on his own right. After reuniting with Sonic and helping him destroy Eggman's Egg Carrier, Tails saved Station Square from a attack from the doctor. He shortly after helped Sonic defeat Chaos after the creature rampaged through the city.[32] A later incident saw Tails break Sonic out of Prison Island after the hedgehog had been framed as an escapee, forming a strong rivalry with Eggman in the events that followed.[33]

In a future adventure, Tails formed "Team Sonic" with Sonic and Knuckles and helped stop Neo Metal Sonic, a transformed version of Metal Sonic that had taken over the Eggman Empire.[34] In other conflicts, he met and befriended Emerl, who was later revealed to be an ancient weapon;[35] joined his friends in the war against the alien Black Arms;[36] joined Sonic in stopping Eggman's ancestor, Eggman Nega, from destroying the world with the Ifrit;[37] helped the hedgehog restore the planet after Eggman had shattered it;[38] and forged a rivalry with Wave the Swallow, one of the Babylon Rogues.[39]
Tails would later join Sonic in freeing the alien Wisps from Eggman's Egg Planet Park.[40] Subsequently, Tails and his friends celebrated Sonic's birthday until they were kidnapped by the Time Eater, an entity that could manipulate spacetime. Trapped in White Space, Tails and Sonic were joined by younger versions of themselves and eventually destroyed the Time Eater, revealed to be controlled by Eggman and his own younger self.[29] Tails and Sonic later traveled to the Lost Hex, where they were forced to team up with Eggman to stop the inhabitants, the Deadly Six, from destroying the world after the doctor lost control of them.[41]

Tails would later help defend the City from an Eggman invasion, but was overwhelmed and called Sonic for backup. However, Sonic was defeated by Infinite, Eggman's new right-hand man, who was powered by the Phantom Ruby. With Sonic being presumed dead, Tails went missing, devastated by the loss. Meanwhile, Eggman's army conquered the world, triggering the War to Take Back the Planet between the regime and Sonic's friends, who had formed the Resistance. After six months, things took a positive turn when Tails reunited with Classic Sonic, Sonic's past self, and later with Sonic himself. Tails then became an active member of the Resistance and assisted them in the war, ultimately overthrowing Eggman's empire.[42]
Most recently, Tails tracked unusual Chaos Emerald readings from the Starfall Islands[43] and traveled there alongside Sonic and Amy. However, they were sucked into a wormhole that separated them. Tails later found himself in a digitized state due to being linked to the Cyber Space of the Ancients, unable to interact with the physical world. He reunited with Sonic on Chaos Island, and assisted him in his search across the island for the remaining Chaos Emeralds, using the opportunity to also confide with his friend regarding his reignited insecurities. Tails, alongside his other friends, was eventually freed from his non-physical state through Sonic's efforts, who also inadvertedly liberated a malevolent entity called The End. Once The End was ultimately destroyed, Tails reunited with his friends and went their separate ways.[44]
Personality

Tails' profile, from Sonic Jam.

Tails can be described as a gentle, sweet, kind and loyal fox with a good and positive attitude.[45][46][47][48][49] While he started out as timid and quiet due to being the victim of bullying, meeting Sonic caused him to open up and become more outgoing over time,[48] having strived to be more like his idol, giving him a progressively brighter, more positive and energetic personality.[50] Tails is not one to grasp the spotlight for himself. Instead, he is always ready and willing to help others without asking for anything in return.

Unlike Sonic, who is constantly hyperactive, Tails is somewhat calmer and more controlled. He has a passion for mechanics, and he finds himself most at home in his workshop working on his next creation.[51] Despite his great skills, he is very humble about his abilities and has not realized how useful his scientific skills are yet.[52][53] Because of this, he sometimes underestimates how much his inventions have helped his friends, and as such, he has yet to discover the true potential of what he can accomplish.[53][54]

Due to having hung out with Sonic for so long, the fox has become somewhat smug like his best friend over time;[43] by the time of the Lost Hex incident, he had become more confident and outspoken about his intelligence, engaging in more friendly banter with Sonic and mentioning his previous accomplishments more frequently. In contrast, he has been known to insult Dr. Eggman and his creations.

Despite his development, Tails can still be timid and withdrawn at times[49][55] and can sometimes sink into self-doubt and insecurity, especially when his creations are insulted or when he feels left aside in favor of others. The status quo of his relationship with Sonic, created from the hedgehog's authority over him, initially placed a mental stranglehold on Tails that made him dependent on Sonic. As such, he often lacked initiative and confidence when alone. However, a turning point for Tails came during the Chaos incident; when Station Square was in danger of being destroyed, and with Sonic nowhere to be found, Tails realized that he could not depend on Sonic forever and had to try on his own. After saving Station Square, Tails realized he could be independent and support himself without Sonic, and all he needed was determination and faith. Since then, Tails has become more independent, self-confident, motivated and brave, rising up to be a real hero when needed.

Despite his insecurity in times of weakness, Tails is always willing to support his friends with a clear mind. He constantly tries his hardest to help in some way, typically by making machines or other devices. Additionally, he hopes to one day be self-sufficient and independent like Sonic to prove he can be relied upon.[54] Also, even though Tails still enjoys being Sonic's sidekick, he believes that he can do almost anything if he puts his mind to it.
During their earlier adventures together, Tails strove to become just like Sonic by replicating the mannerisms he found admirable. In this period, Tails was content with being Sonic's sidekick as he was just happy to hang out with Sonic. As Tails grew as a person, he would still remain as close to Sonic as ever and look up to him as he has always done, but his esteem about Sonic's heroics have dwindled, as these days he cares more about inventing than Sonic's heroic deeds.

Despite his intelligence and general fearlessness, Tails can be naive and big-mouthed, such as during the Space Colony ARK incident, when he accidentally confirmed Eggman's suspicions that the Chaos Emerald that Sonic had was a fake, thus ruining the heroes' plans. He has a tendency to talk technobabble, much to the irritation of his friends, showing that he does not always use tact in a situational matter. Nevertheless, Tails is supportive of his friends, willing to be by their side no matter how dangerous the situation might be, and will do whatever it takes to help them, even if it means sacrificing himself for them.

He has a pure and courageous heart.[56] Although he has been persecuted in the past for his dissimilarities, Tails would over time find the right friends to give him support, which in turn gave him confidence. Loyal and trustworthy,[57] he can be counted on to stand firmly by the side of his friends and help them out however he can. While still young, Tails has time and again proven himself to be a force to be reckoned with despite his inconspicuous appearance, especially with his high intellect. As a result of being practically raised by Sonic though, Tails has been known to carry out his plans without warning or a heads-up. Despite this, he still uses his abilities and talents to carefully prepare himself and his friends for various situations if he is not entirely sure about what they will be facing. He is likewise very friendly and tries his best to approach others with a kind-hearted attitude, even towards enemies whom he does not know very well.

Tails often tries to stay optimistic. However, he is very sensitive, and when severely stressed out or under intense pressure, Tails can become quite nervous and fearful, which renders him unable to properly cope or do anything about the situation at hand. However, even in the worst of situations, he does not give up and shows a strong will to survive.

Much like Dr. Eggman, Tails has an affinity for personalizing his belongings in his likeness, with his house in Emerald Town resembling his head, and the Miles Electric being named after himself.