Sonic Mega Collection

Knuckles the Echidna is a video game character of the Sonic the Hedgehog game series, including spin-off games and comics. His first appearance was... in Sonic the Hedgehog 3, released in 1994 to introduce a new rival for Sonic. He was presented as an antagonist who was tricked by Dr. Eggman into fighting Sonic. But after discovering this, he has been friends with Sonic since then. Knuckles is a 16-year-old red anthropomorphic echidna, who is both physically powerful and highly resilient. In most Sonic games, his skills include climbing on ledges or walls and gliding in the air for short periods of time. He has a white crescent on his chest and four knuckles total, two on each hand, which are over grown bones. He is both a friend and a rival to Sonic. During conception of Sonic the Hedgehog 3, the development team wanted to create a new rival for Sonic. The final design of Knuckles was the result of dozens of possible designs inspired by numerous different animals. The emphasis of the character was to break walls. Ever since the character appeared in Sonic the Hedgehog 3, he has been thought of as an "intimidator" because of his powerful abilities.
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Miles Prower , also known by his nickname Tails , is a video game character, as well as the deuteragonist of the Sonic the Hedgehog series released... by Sega. He also appears in comic books, cartoons, and a feature film. The name "Miles Prower" is a pun on "miles per hour", a reference to the famed speed of Sonic the Hedgehog. He is an eight-year-old fox with two tails, hence the nickname. He is known to be Sonic's sidekick, best friend, and a mechanic. He is able to use his two tails to propel himself into the air like a helicopter for a limited time. His debut was in October 16, 1992 in the 8-bit version of Sonic the Hedgehog 2; the 16-bit version was released that November. When he was first introduced in Sonic the Hedgehog 2, Tails' fur was orange. The color was changed to yellow-orange for Sonic Adventure, and later to light yellow for Sonic Heroes. In 1993 and 1995, he starred in his own games, Tails and the Music Maker for the Pico, Tails Adventure, and Tails' Skypatrol for the Game Gear. Tails is the third most popular character of the series, behind Sonic and Shadow, according to official polls.
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Doctor Ivo Robotnik , also known by his alias Doctor Eggman , is a video game character and the main antagonist of the Sonic the Hedgehog series... created by Sega. Dr. Eggman is a rotund mad scientist with an IQ of 300, who plans to conquer the world in order to build his Eggman Empire, and is the archenemy of Sonic the Hedgehog. His original character designer was Naoto Ōshima, and while he has gone through several large appearance changes throughout the series, his in-game designs retain several basic characteristics, such as his egg-shaped body, red-black-yellow clothing, pince-nez sunglasses and large mustache. Most of the time, Dr. Eggman is portrayed as horribly immature: he tends to throw temper tantrums when he fails or is offended, despite his incredible intellect and skilled mind. He has appeared in almost every Sonic the Hedgehog video game since his first appearance in the 1991 title Sonic the Hedgehog, and is also a prominent character in other Sonic media, including comics, novels, animated TV series, and an Original video animation.
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