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Hedgehogs in the video game, comic book and television series fiction of the Sonic the Hedgehog series, are anthropomorphic, spiny animals with quills of varying styles, similar to human hairstyles. Sonic, the main character of the series is a hedgehog followed by other hedgehogs through the series.

Hedgehogs are frequently brightly-colored (despite being mostly brown or grey in real life). They also often (but not uniformly) possess special abilities including, but not limited to, Speed (Sonic), Strength (Amy), Telekinesis (Silver) or the ability to use Chaos Control (Shadow). It is also implied in Sonic Chronicles: The Dark Brotherhood that all hedgehogs are naturally more likely to possess the innate ability to move at high speeds.^[1]

Several robotic copies of hedgehogs also existed, most of whom were created by Doctor Eggman in imitation of Sonic. The most famous of these is Metal Sonic.

Games

In the games, neither the bright colors nor special powers of the hedgehogs are explained (save for Shadow, whose abilities and color derive from the circumstances of his creation).

Hedgehogs in the games

Sonic and the Black Knight

Robotic hedgehogs

Others

Comics

In the Archie Comics, the bright colors of the hedgehogs 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 green, for no discernible reason. 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.

Hedgehogs in Archie comics

Robotic hedgehogs in the Sonic the Hedgehog comic series and its spin-offs

Hedgehogs in Sonic the Comic

Robot hedgehogs in Sonic the Comic

Others in Sonic the Comic

Cartoons

Different variety 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 except in Sonic Underground, where all his family members have their own color. Notably in Sonic X, Christopher Thorndyke once mentioned that his favorite animals are hedgehogs.

Hedgehogs in the Adventures of Sonic the Hedgehog

Sonic the Hedgehog
Cute little Hedgehog in a polka dot bikini (from "Blackbot the Pirate")
Buff Male Hedgehog in a speedo (from "Blackbot the Pirate")

Regular brown hedgehogs were also seen in the series. In the episode 50, "Robotnik's Pyramid Scheme", Professor Canine Stein shows Sonic his family tree of blue hedgehogs but they were never named, however some of Sonic's ancestors were named.

Merhogs

Half hedgehog, half fish mobians.

Robot hedgehogs in AoSTH

Hedgehogs in the Sonic the Hedgehog TV series

Robotic hedgehogs in SatAM

Sir Charles Hedgehog (Robian)

Hedgehogs in the Sonic Underground

Sonic the Hedgehog
Manic the Hedgehog
Sonia the Hedgehog
Queen Aleena
Aman-Rapi
Queen Sauna
The Royal 'Corrupt' Hedgehogs
- Fat alternate version of Sonic as a king
- Greedy alternate version of Manic as a king
- Vain alternate version of Sonia as a queen
Luke Periwinkle
Unnamed purple hedgehog girl, usually seen homeless

Robotic hedgehogs in Sonic Underground

Hedgehogs in Sonic X

Hedgehogs in Sonic Boom

References

↑ "As a member of Sonic's team, Amy lends both speed and strength to the group, using her innate hedgehog speed and her immensely powerful Piko-Piko Hammer to good effect" - Codex, Sonic Chronicles: The Dark Brotherhood

[0] "As a member of Sonic's team, Amy lends both speed and strength to the group, using her innate hedgehog speed and her immensely powerful Piko-Piko Hammer to good effect" - Codex, Sonic Chronicles: The Dark Brotherhood

[1]