Question: Which main character from a DC Retroactive comic posess the ability to think very fast?
Context: The Flash (or simply Flash) is the name of several superheroes appearing in comic books published by DC Comics.  Created by writer Gardner Fox and artist Harry Lampert, the original Flash first appeared in "Flash Comics" #1 (cover date January 1940/release month November 1939).  Nicknamed the "Scarlet Speedster", all incarnations of the Flash possess "super speed", which includes the ability to run, move, and think extremely fast, use superhuman reflexes, and seemingly violate certain laws of physics. Chloe Sullivan is a fictional character in the television series "Smallville", which is based on the Superman and Superboy comics published by DC Comics.  Portrayed by series regular Allison Mack, the character was created exclusively for "Smallville" by series developers Alfred Gough and Miles Millar.  Other than main character Clark Kent, Chloe is the only main character to last the duration of the show, though Mack only signed on for five episodes in the tenth and final season.  The character has also appeared in various literature based on "Smallville", an internet series, and was then later adapted back into the original Superman comics which inspired "Smallville". " Green Lantern Corps: Recharge " was a five-issue, monthly comic book limited series that was published by DC Comics from November 2005 to March 2006.  The series was written by Geoff Johns and Dave Gibbons and illustrated by Patrick Gleason.  The series starred several members of the Green Lantern Corps, a fictional intergalactic police force in the DC Universe, and was one of two follow-ups (the other being a fourth volume of "Green Lantern", with Hal Jordan as the main character) to the mini-series " ", which had been published earlier in 2005.  It is notable for featuring the first appearances of Soranik Natu, Vath Sarn and Isamot Kol, members of the Green Lantern Corps that would serve as recurring characters in future Green Lanterns storylines written by Johns and other writers. Isis is a DC Comics superhero, as well as a separate Egyptian goddess also living in the DC Universe.  The recent superhero character is modeled closely after the main character of "The Secrets of Isis", a live-action American Saturday morning television program that served as the second half of "The Shazam! /Isis Hour".  The television character appeared in several late 1970s DC Comics publications.  The more recent superhero character was introduced into the DC Universe in 2006 as a female counterpart to the character Black Adam, a part of the "Shazam!"  family of characters.  The Egyptian goddess character has been depicted within the "Wonder Woman" comic book. Alice Johnson is a fictional character and a protagonist in the "A Nightmare on Elm Street" franchise, portrayed by Lisa Wilcox.  She was created by William Kotzwinkle and Brian Helgeland.  She appears as a main character in two of the nine "A Nightmare on Elm Street" films, first appearing in Renny Harlin's "" (1988).  In 1989, Alice returned in Stephen Hopkins' "" before going on to appear in the comic book adaptions, novels, and "Freddy vs. Jason" (2003) through archive footage.  In "", Alice has the ability to gain the "dream powers" of Freddy Krueger's victims.  In "", Freddy begins to use Alice's unborn son Jacob as a way to return and she defeats him with the help of the spirits of Amanda Krueger and Jacob.  In the original script for "" (1991), Alice was set to return but this idea was eventually scrapped. Lucas "Snapper" Carr is a fictional character appearing in American comic books published by DC Comics.  The character, whose fictional nickname is almost always used by other characters in favor of his given name, was created by Gardner Fox (writer) and Mike Sekowsky (penciller), and made his first appearance in "The Brave and the Bold" in February 1960.  From 1960 to 1969, Snapper Carr appeared as a supporting character to the Justice League of America, a superhero team.  The character occasionally appeared in comics featuring the Justice League from 1969 to 1989, when the "Invasion! " limited-series comic book gave him superpowers.  He was associated with a new superhero team, The Blasters, in various comics until 1993, when he lost his powers and became a main character in the "Hourman" comic book.  After the cancellation of "Hourman" in April 2001, he became a main character in the "Young Justice" comic book beginning in December 2001.  "Young Justice" was cancelled in May 2003, and he became associated with the governmental organization Checkmate, a role revealed when the character played a small but important role in the 2007-2008 limited series comic book "52 Aftermath: The Four Horsemen".  The character made major appearances in "Final Crisis: Resist" in December 2008 and "Justice League of America 80-Page Giant" in November 2009. Gunston Street is a weekly comic strip that is written and illustrated by Basil Zaviski.  The main character Phil, is based on Basil's father Phillip Zaviski, who served with Basil in the same National Guard Unit for over 7 years.  Although the main character is based on his father, the strips are that of Basil Zaviski's experiences.  The heavy leaning storyline of the main character "Phil" tends to focus on the life and times of your average Army National Guardsman and their daily struggles with deployments, family and combat. Dominic "Dom" Toretto is a fictional character and one of the three main protagonists of "The Fast and the Furious" franchise, the other being Brian O'Conner and Sean Boswell.  He is portrayed by Vin Diesel and was created by screenwriter Gary Scott Thompson.  Dom is introduced in the first film of the series "The Fast and the Furious" (2001).  He later appears in "Fast & Furious" (2009), "Fast Five" (2011), "Fast & Furious 6" (2013), "Furious 7" (2015), and "The Fate of the Furious" (2017), as well as the short film, "Los Bandoleros" (2009) and a cameo appearance at the end of "" (2006). " 2 Fast 2 Furious" (2003) is the only film in the franchise not to feature the character. Billy Whizz is a fictional character featured in the British comic "The Beano", first appearing in issue 1139, dated 16 May 1964, when it replaced The Country Cuzzins.  Billy, the title character, is a boy who can run extraordinarily fast.  His speed often causes chaos yet at the same time his ability can prove useful.  He also has a younger brother called Alfie Whizz of similar appearance.  Alfie is usually shown as a normal boy but occasionally he is shown to be just as fast as his brother. DC Retroactive is a one-shot line of comic book titles launched by DC Comics.  It revisited periods (grouped by decades) of the company’s main characters: Batman, Superman, Wonder Woman, Green Lantern, the Justice League and the Flash.  These comics were published with cover dates of September and October 2011.  The "DC Retroactive" comic books followed the "Flashpoint" events and were launched just before The New 52 line wherein DC titles were relaunched starting from #1.
Answer: Flash