Speedster (fiction)
Encyclopedia
A speedster is a fictional character
Fictional character
A character is the representation of a person in a narrative work of art . Derived from the ancient Greek word kharaktêr , the earliest use in English, in this sense, dates from the Restoration, although it became widely used after its appearance in Tom Jones in 1749. From this, the sense of...

 in superhero
Superhero
A superhero is a type of stock character, possessing "extraordinary or superhuman powers", dedicated to protecting the public. Since the debut of the prototypical superhero Superman in 1938, stories of superheroes — ranging from brief episodic adventures to continuing years-long sagas —...

 fiction, particularly comic books, whose primary power is the superhuman ability to perform physical and/or mental acts at impossibly high speeds. The most recognizable such superhero is the Flash
Flash (comics)
The Flash is a name shared by several fictional comic book superheroes from the DC Comics universe. Created by writer Gardner Fox and artist Harry Lampert, the original Flash first appeared in Flash Comics #1 ....

. Some consider speedsters to be modern day descendants of the Greek deity
Greek mythology
Greek mythology is the body of myths and legends belonging to the ancient Greeks, concerning their gods and heroes, the nature of the world, and the origins and significance of their own cult and ritual practices. They were a part of religion in ancient Greece...

 Hermes
Hermes
Hermes is the great messenger of the gods in Greek mythology and a guide to the Underworld. Hermes was born on Mount Kyllini in Arcadia. An Olympian god, he is also the patron of boundaries and of the travelers who cross them, of shepherds and cowherds, of the cunning of thieves, of orators and...

 and the Roman deity
Roman mythology
Roman mythology is the body of traditional stories pertaining to ancient Rome's legendary origins and religious system, as represented in the literature and visual arts of the Romans...

 Mercury
Mercury (mythology)
Mercury was a messenger who wore winged sandals, and a god of trade, the son of Maia Maiestas and Jupiter in Roman mythology. His name is related to the Latin word merx , mercari , and merces...

.

Plausibility and artistic license

The use of speedsters in fiction requires artistic license
Artistic license
Artistic licence is a colloquial term, sometimes euphemism, used to denote the distortion of fact, alteration of the conventions of grammar or language, or rewording of pre-existing text made by an artist to improve a piece of...

 due to the laws of physics
Physics
Physics is a natural science that involves the study of matter and its motion through spacetime, along with related concepts such as energy and force. More broadly, it is the general analysis of nature, conducted in order to understand how the universe behaves.Physics is one of the oldest academic...

 that would prohibit such abilities. Moving at the speed of sound, for example, would create sonic boom
Sonic boom
A sonic boom is the sound associated with the shock waves created by an object traveling through the air faster than the speed of sound. Sonic booms generate enormous amounts of sound energy, sounding much like an explosion...

s that are usually not heard in such stories. An enormous amount of energy would be required to sustain such speeds, and as some speedsters can actually move close to or at the speed of light
Speed of light
The speed of light in vacuum, usually denoted by c, is a physical constant important in many areas of physics. Its value is 299,792,458 metres per second, a figure that is exact since the length of the metre is defined from this constant and the international standard for time...

, this would cause them to gain near-infinite energy, according to the laws of relativity
Theory of relativity
The theory of relativity, or simply relativity, encompasses two theories of Albert Einstein: special relativity and general relativity. However, the word relativity is sometimes used in reference to Galilean invariance....

.

For example, the Official Handbook of the Marvel Universe
Official Handbook of the Marvel Universe
The Official Handbook of the Marvel Universe is an encyclopedic guide which details the fictional universe featured in Marvel Comics publications...

states that the character Northstar maintains speeds which can be considered "modest," especially when carrying a passenger. The Handbook also concedes that a solid object moving in the Earth’s atmosphere at several times the speed of sound or faster would wreak havoc on the planet and that moving at such speeds would prohibit Northstar from breathing, while the generated wind/friction would ravage his body. On the other hand, the Handbook states that the character Quicksilver
Quicksilver (comics)
Quicksilver is a fictional character that appears in comic books published by Marvel Comics. The character first appears in X-Men #4 and was created by Stan Lee and Jack Kirby...

 was born with adaptations that make higher speeds possible, such as enhanced cardiovascular, respiratory, musculature and digestive
Digestion
Digestion is the mechanical and chemical breakdown of food into smaller components that are more easily absorbed into a blood stream, for instance. Digestion is a form of catabolism: a breakdown of large food molecules to smaller ones....

 systems, a more efficient metabolism
Metabolism
Metabolism is the set of chemical reactions that happen in the cells of living organisms to sustain life. These processes allow organisms to grow and reproduce, maintain their structures, and respond to their environments. Metabolism is usually divided into two categories...

, better lubricated joints, tendon
Tendon
A tendon is a tough band of fibrous connective tissue that usually connects muscle to bone and is capable of withstanding tension. Tendons are similar to ligaments and fasciae as they are all made of collagen except that ligaments join one bone to another bone, and fasciae connect muscles to other...

s with the tensile strength
Tensile strength
Ultimate tensile strength , often shortened to tensile strength or ultimate strength, is the maximum stress that a material can withstand while being stretched or pulled before necking, which is when the specimen's cross-section starts to significantly contract...

 of spring steel, unidentified bone composition that can withstand the dynamic shock of his touching the ground at speeds over 100 miles an hour, and a brain that can process information fast enough for him to react to his surroundings at high speed.

DC Comics
DC Comics
DC Comics, Inc. is one of the largest and most successful companies operating in the market for American comic books and related media. It is the publishing unit of DC Entertainment a company of Warner Bros. Entertainment, which itself is owned by Time Warner...

 dispenses with such explanations with its Flash
Flash (comics)
The Flash is a name shared by several fictional comic book superheroes from the DC Comics universe. Created by writer Gardner Fox and artist Harry Lampert, the original Flash first appeared in Flash Comics #1 ....

 family of speedsters, who instead derive their abilities from an extradimensional energy source known as the Speed Force
Speed Force
The Speed Force is a concept presented in various comic books published by DC Comics, primarily in relation to the various speedsters in the DC Universe.-Empowered:...

, which not only grants them super speed, but protects them from the ravages that would be suffered by their bodies, and grants them various other related abilities as well. (See Speed Force Powers section.) However, the Speed Force is not the source from which other DC characters with super speed such as Superman
Superman
Superman is a fictional comic book superhero appearing in publications by DC Comics, widely considered to be an American cultural icon. Created by American writer Jerry Siegel and Canadian-born American artist Joe Shuster in 1932 while both were living in Cleveland, Ohio, and sold to Detective...

 or Captain Marvel
Captain Marvel (DC Comics)
Captain Marvel is a fictional comic book superhero, originally published by Fawcett Comics and later by DC Comics. Created in 1939 by artist C. C. Beck and writer Bill Parker, the character first appeared in Whiz Comics #2...

 derive their powers.

Writer John Byrne maintained modest abilities for the speedster character Danny Hilltop in his series John Byrne’s Next Men. Although Danny can keep pace with a race car, the friction generated by his speed melts any footwear he wears, burning his feet. Thus he runs barefoot, having toughened the soles of his feet through a regimen of pounding increasingly harder materials (sand, gravel and then broken rock). The costume he wears has a built-in guidance system.

Other writers choose not to offer any scientific explanations for the questions raised by the actual use of such abilities.

Comic book writer Peter David
Peter David
Peter Allen David , often abbreviated PAD, is an American writer of comic books, novels, television, movies and video games...

, whose run on the series Young Justice
Young Justice
Young Justice is a fictional DC Comics superhero team consisting of teenaged heroes. The team first appeared in Young Justice: The Secret , before graduating to their ongoing monthly series...

included the junior speedster Impulse
Impulse (DC Comics)
Impulse is an identity shared by three comic book superheroes published by DC Comics.-Publication history:Kent Shakespeare was the first DC Comics superhero known as Impulse, he debuted in Legion of Super-Heroes vol. 4 #12 . Bart Allen is the second DC Comics superhero known as Impulse, he debuted...

, has opined that speedsters are inherently difficult to write, saying:

In other media

Speedsters in other media include Daphne Millbrook (played by Brea Grant), a character in the NBC
NBC
The National Broadcasting Company is an American commercial broadcasting television network and former radio network headquartered in the GE Building in New York City's Rockefeller Center with additional major offices near Los Angeles and in Chicago...

 television superhero
Superhero
A superhero is a type of stock character, possessing "extraordinary or superhuman powers", dedicated to protecting the public. Since the debut of the prototypical superhero Superman in 1938, stories of superheroes — ranging from brief episodic adventures to continuing years-long sagas —...

 drama Heroes
Heroes (TV series)
Heroes is an American science fiction television drama series created by Tim Kring that appeared on NBC for four seasons from September 25, 2006 through February 8, 2010. The series tells the stories of ordinary people who discover superhuman abilities, and how these abilities take effect in the...

. Daphne first appeared in that series' third season in 2008, initially as a villain
Supervillain
A supervillain or supervillainess is a variant of the villain character type, commonly found in comic books, action movies and science fiction in various media.They are sometimes used as foils to superheroes and other fictional heroes...

.

In addition, many characters exist in other media such as film
Film
A film, also called a movie or motion picture, is a series of still or moving images. It is produced by recording photographic images with cameras, or by creating images using animation techniques or visual effects...

 and video games who possess the abilities to perform feats at incredible speeds that exceed the abilities of those around them. Examples include the video game character Sonic the Hedgehog
Sonic the Hedgehog (character)
, trademarked Sonic The Hedgehog, is a video game character and the main protagonist of the Sonic video game series released by Sega, as well as in numerous spin-off comics, cartoons, and a feature film. The first game was released on June 23, 1991, to provide Sega with a mascot to rival Nintendo's...

, and the animated cartoon characters Speedy Gonzales
Speedy Gonzales
Speedy Gonzales is an animated caricature of a mouse in the Warner Brothers Looney Tunes and Merrie Melodies series of cartoons. He is portrayed as "The Fastest Mouse in all Mexico" with his major traits being the ability to run extremely fast and speaking with an exaggerated Mexican accent...

, the Road Runner
Wile E. Coyote and Road Runner
Wile E. Coyote and The Road Runner are a duo of cartoon characters from a series of Looney Tunes and Merrie Melodies cartoons. The characters were created by animation director Chuck Jones in 1948 for Warner Bros., while the template for their adventures was the work of writer Michael Maltese...

, Morton of Horton Hears A Who!
Horton Hears a Who! (film)
Horton Hears a Who!, also known as Dr. Seuss' Horton Hears a Who!, is a 2008 American CGI-animated comedy feature film based on the Dr. Seuss book of the same name. It is the fourth feature film from Blue Sky Studios, and the third feature film based on a Dr. Seuss book, following How the Grinch...

and Dash of The Incredibles
The Incredibles
The Incredibles is a 2004 American computer-animated action-comedy superhero film about a family of superheroes who are forced to hide their powers. It was written and directed by Brad Bird, a former director and executive consultant of The Simpsons, and was produced by Pixar and distributed by...

.
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