Sonic the Hedgehog

Sonic the Hedgehog is the main protagonist of the Sonic the Hedgehog franchise.

Possible Opponents

 * Mario (Super Mario)
 * Both the characters & the companies that own them have been rivals since the late 1980s.
 * Both are the protagonists of popular platforming games series.
 * Both have had numerous spin offs into mediums other then video games such as film & television.
 * The Flash (DC Comics)
 * Both have super speed.
 * Both are cocky/arrogant.
 * Quicksilver (Marvel Comics)
 * Both have super speed.
 * Both are blue.
 * Rainbow Dash (My Little Pony: Friendship is Magic)
 * Both have super speed.
 * Both are blue.
 * Both are cocky/arrogant.
 * Both claim to be the fastest thing in their respective universes.
 * Bubsy Bobcat (Bubsy)
 * Both are anthropomorphic animals.
 * Both are the protagonists of popular platforming games series.
 * Mega Man (Mega Man)
 * Both are blue.
 * Both are the protagonists of popular platforming games series.
 * Both fight a human with the title Doctor who lead robot empires.
 * Both have red friends that were once their rivals.
 * Both have clashed with black doppëlgangers.