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Hedgehogs (ハリネズミ Harinezumi?) are a species that appears in the video games, comic books and television series of the Sonic the Hedgehog series and its spin-offs. Unlike the real-life species, hedgehogs in the Sonic franchise are anthropomorphic animals, and many prominent characters in the franchise are hedgehogs, the most recognized of them being Sonic the Hedgehog.



Sonic and Amy, an example of a male and female hedgehog.

Hedgehogs appear mainly as anthropomorphic animals of their namesake species with anatomy closely resembling humans' shapes, though their body proportions vary from media to media. Features they do share include large heads, short fur on most of their bodies (excluding certain areas that differ between each individual) which is frequently bright-colored, short muzzles, and spiky quills on their heads of varying styles, similar to human hairstyles.

Like humans, male hedgehogs have masculine figures and female hedgehogs have more feminine curves. Also, while hedgehogs' exact height measurements remain ambiguous between each media, they appear to be about one meter tall at average.

Characteristics and culture

Character and culture-wise, hedgehogs are no different from humans, meaning they are sapient, intelligent, have their own unique personalities, and can be either good or evil. They also have no known customs or culture associated with their species.

Powers and abilities

Hedgehogs often (but not uniformly) possess special abilities such as speed and enhanced strength. They also can curl into a ball and use ricochets to bounce around objects, which can prove damaging for anyone who ingests them, as Sonic demonstrated with a giant snake that ate him at one point in Sonic Forces, with his implying that this was the reason that hedgehogs are generally not eaten as meals.

List of hedgehogs



Archie Comics

In the Archie Comics, hedgehogs falls under a category of mobians and their bright fur colors are inherited traits. Sonic's blue pigmentation originates from his family (his parents and his uncle are also blue). That said, Amy and Rob O' the Hedge are cousins, yet one is pink and the other is teal, for no discernible reason.

Sonic the Comic

In Sonic the Comic, most hedgehogs are brown. Sonic and Amy both were born brown, and gained their distinctive colors later due to accident and mutation.

Sonic the Hedgehog (manga)

In the Sonic the Hedgehog manga published by Shogakukan, hedgehogs come in a variety of colors and sizes, and also live in proper communities, including Hedgehog Town. In this continuity, Sonic is the heroic alter ego of the young hedgehog Nicky.

IDW Publishing


Virgins Books

Sonic Adventures


There are different varieties of hedgehogs in the cartoons. In Sonic X and Sonic the Hedgehog: The Movie, Sonic's blue color is not explained; in the other cartoons, it is an inherited color. The exception to this is Sonic Underground, where all his family members have their own color.

Adventures of Sonic the Hedgehog

In the Adventures of Sonic the Hedgehog television series, hedgehogs are a predominant species found on Mobius:

Sonic the Hedgehog

Sonic the Hedgehog: The Movie

Sonic Underground

Sonic X

Sonic Boom


Sonic the Hedgehog (film series)