The Flash: 34 villains he's battled 

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were an extremely grounded affair (gritty enough to feel right at home on the big screen with much of DC's feature output so far), it opened the door to a meta-reality when it served as a launching pad for the spin-off series,

. Starring Grant Gustin in the title role as well as alter ego Barry Allen, from out of the gate the series embraced its comic book roots, delivering bigger-than-life adventures and filling those adventures with meta-humans, most of whom were impacted by an exploding particle accelerator as Barry was: transforming from ordinary humans to something quite extraordinary.

What follows is a guide to 34 villains that The Flash has gone up against over the course of the show's first two seasons.

AKA Albert Rothstein. Played by Adam Copeland, an Earth-2 character who is endowed with incredible strength and the ability to grow in size. Appeared in "The Man Who Saved Central City" (season two).

AKA Farooq Gibran. Played by Michael Reventar, he has the power to harness and unleash electricity. Appeared in "Power Outage" (season one) and "Flash Back" (season two).

AKA Laurel Lance. Played by Katie Cassidy, she is the Earth-2 version of Black Canary, the character from

. She, too, is equipped with a sonic scream. Appeared in "Invincible" (season two).

AKA Brie Larvan. Played by Emily Kinney, she's a technical genius and killer who's a rival to

's Felicity Smoak. She utilizes robotic bees to deadly results. Appeared in "All Star Team Up" (season one).

AKA Leonard Snart. Played by Wentworth Miller. Armed with stolen cryonic technology in the form of a gun that will freeze anything, he enjoys a crime spree until he comes up against The Flash. Eventually he ends up part of the

team. Appeared in "Going Rogue," "Revenge of the Rogues," "Rogue Time," "Rogue Air" and "Fast Enough" (all season one), as well as "Family of Rogues" and "Running To Stand Still" (both season two).

AKA William Tockman. Played by Robert Knepper, it's a character who originally debuted on

AKA Jake Simmons. Played by Doug Jones, he has the ability to harness plasma energy. The character debuted on

AKA Ronnie Raymond. Played by Robbie Amell, this is the Earth-2 version of Firestorm who has supplanted the Dr. Martin Stein portion of his consciousness. He's married to that world's Killer Frost (Caitlin Snow in "our" world) and they both work for Zoom. Appeared in "Welcome To Earth-2" (season two).

AKA Linda Park. Played by Malese Jow, on Earth-2 she's a small-time thief turned meta-human who can absorb and use power from starlight. She appeared in the episodes "The Darkness And The Light" and "Enter Zoom" (both season two).

AKA Hannibal Bates. Played by Martin Novotny, his metahuman ability allows him to shapeshift to look like other people. Appeared in "Who Is Harrison Wells?" and "The Trap" (both season one).

AKA Adam Fells. Played by Adam Stafford, his metahuman ability is to create earthquakes. Appeared in "Welcome To Earth-2" and "Escape From Earth-2" (both season two).

AKA Tony Woodward. Played by Greg Finley, his meta ability is to turn his skin to steel. He was a childhood bully to Barry Allen, and is happy to continue the pattern. Appeared in "The Flash Is Born" and "Power Outage" (both season one) and "The Runaway Dinosaur" (season two).

AKA Lisa Snart. Played by Peyton List, she is sister to Captain Cold himself, Leonard Snart. She utilizes a gun that turns objects into gold. Appeared in "Revenge Of The Rogues," "Rogue Time" and "Rogue Air" (all season one), and "Family Reunion" (season two).

Played by Haig Sutherland, he has the power of super strength, with the unfortunate side effect that each time he uses it, he ages. Appeared in "Back To Normal" (season two).

David Sobolov provides the voice to this CG-created telepathic, and highly-intelligent, gorilla who is the result of being experimented on by Eobard Thawne. Appeared in "Crazy For You," "Fallout" and "Grodd Lives" (all season one) and "Gorilla Warfare" (season two).

AKA Mick Rory. Played by Dominic Percell, an arsonist who is frequently partnered with Leonard Snart, he utilizes a heat gun that has the ability to burn pretty much anything. A regular on

. Appeared in "Revenge Of The Rogues" and "Rogue Time" (both season one).

Played by Danielle Panabaker, she is Caitlin Snow's doppelganger from Earth-2. She has the ability to freeze things and use ice as a weapon. Appeared in "Welcome To Earth-2," "Escape From Earth-2" and "Back To Normal" (all season two).

AKA Shay Lamden. Voiced by David Hayter, this CG-created character is from Earth-2 and sent to this Earth by Zoom to destroy The Flash. Appeared in "The Fury Of Firestorm" and "King Shark" (both season two).

AKA Kyle Nimbus. Played by Anthony Carrigan, he has the power to turn himself into a poisonous mist. Held in the S.T.A.R. Labs prison, he was eventually freed by Leonard Snart. Appeared in "Things You Can't Outrun," "Power Outage" and "Rogue Air" (all season one).

AKA Danton Black. Played by Michael Christopher Smith, he's a metahuman that has been endowed with the ability to make multiple copies of himself. Appeared in "Fastest Man Alive" (season one).

AKA Shawna Baez. Played by Britne Oldford, she's a metahuman who has the power to teleport. Appeared in "Crazy For You" and "Rogue Air" (both season one).

AKA Hartley Rathaway. Played by Andy Mientus, he's a criminal armed with sonic gloves. After a trip through time, Barry inadvertently alters things to the point where Rathaway becomes an ally to Team Flash. Appeared in "The Sound And The Fury" and "Crazy For You" (both season one) and "Flash Back" (season two).

AKA Bette Sans Souci. Played by Kelly Frye, she's a former war veteran with the ability of causing anything she touches to explode. Appeared in "Plastique" (season one).

AKA Roy Bivolo. Played by Paul Anthony, he's a metahuman who can induce uncontrollable rage in others. Appeared in "Flash Vs Arrow" and "Rogue Air" (both season one).

Played by series regular Carlos Valdes, he is the doppelganger of series regular Cisco Ramon. Besides having flashes to the future as Cisco does, he can manipulate sonic vibrations to create powerful shock waves. Appeared in "Welcome To Earth-2" (season two).

AKA Eobard Thawne pretending to be Harrison Wells. Thawne is played by Matt Letscher and Wells by series regular Tom Cavanagh. Thawne is a speedster from the future who is responsible for the death of Barry's mother and is in the present to manipulate Barry for his own purposes. Letscher appeared in "Tricksters" and "Fast Enough" (both season one), as well as "Potential Energy" and "The Reverse Flash Returns" (season two).

AKA Eddie Slick. Played by Hett Turton, he has the power to turn part of his body into sand, which can be manipulated in deadly ways. Appeared in "Flash Of Two Worlds" (season two).

AKA Joey Montelone. Played by Marco Grazzini, he has the power to transform into molten asphalt. Appeared in "Fast Lane" (season two).

AKA Eliza Harmon. Played by Allison Paige, she is another speedster but with a split personality. Appeared in "Trajectory" (season two).

AKA Axel Walker. Played by Devon Grae, he's a young copycat of James Jesse, the original Trickster who also happens to be his father (and played by Mark Hamill, who originally played the part in the 1990s

TV series). Both Grae and Hamill appeared in "Tricksters" (season one).

AKA Russel Glosson. Played by Aaron Douglas, he can actually slow time. Appeared in "Potential Energy" (season two).

Played by Casper Crump, he's an immortal first introduced during a crossover with

AKA Mark Mardon. Played by Liam McIntyre. As his name suggests, he's been given the power to manipulate the weather around him, to deadly results. Appeared in "Out Of Time," "Rogue Time" and "Rogue Air" (all season one), as well as "Running To Stand Still" (season two).

AKA Hunter Zolomon. Played by Teddy Sears, he initially pretends to be The Flash of Earth-2 but is eventually revealed to be the villainous speedster, Zoom, "big bad" of the show's second season. Tony Todd provides the voice for the character when he's masked. Appeared in "The Man Who Saved Central City," "Flash Of Two Worlds," "Family Of Rogues," "The Darkness And The Light," "Enter Zoom," "Legends Of Today," "Running To Stand Still," "Potential Energy," "The Reverse-Flash Returns," "Fast Lane," "Welcome To Earth-2," "Escape From Earth-2," "King Shark," "Versus Zoom," "Back To Normal," "Rupture," "The Runaway Dinosaur," "Invincible" and "The Race of His Life" (all season two).

Katie Cassidy, Wentworth Miller, Robert Knepper, Neal McDonough, Doug Jones, Robbie Amell, Dominic Purcell, Danielle Panabaker, David Hayter, Tom Cavanaugh, Liam McIntyre