For fans of The Flash, the last seven years have been pretty wild. Along with Barry Allen and Iris West becoming TV stars, some of Flash's closest friends and greatest foes have made their way onto television sets across the world week after week. From the big-time bad guys like Reverse-Flash and Captain Cold to lesser-known characters like Chunk and Patty Spivot, the Flash TV series has been a smorgasbord of love of the legacy of the Fastest Man Alive.

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But even though the show has run more than 140 episodes, there are still lots of great Flash characters that haven't made the jump to live-action just yet. Some of these characters could become a season-long villain for Team Flash to face, while others would just be fun faces to see make it to the big time.

10 Mason Trollbridge Can Fix Up S.T.A.R. Labs

Early into his time as Flash in the comics, Wally West found himself in a bad place financially and ended up moving to Keystone City with his pal Mason Trollbridge. Mason was older than Wally, but the two got along well and had plenty of adventures together. Mason was a retired handyman who claimed to have been the sidekick of The Clipper, a vigilante that no one had ever heard of.

There was a character named Mason Bridge, a journalist for the Central City Picture News, who appeared in the first season of Flash, but beyond having a similar name, the two are nothing alike.

9 The Three Dimwits Can Bring Some Laughs

Following the success of Robin, more comics began to introduce sidekicks to play off of the heroes. While some of these sidekicks followed the same format as Robin by being young boys, others tended to be older and a lot less useful to the hero. For Jay Garrick, the Golden Age Flash, one sidekick just wasn't enough, so he had three.

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Known as the Three Dimwits, Winky, Blinky, and Noddy were less of a help to Flash and more of an occasional problem, but every now and again they would prove their worth by saving Flash or solving a mystery. While the Three Dimwits shouldn't become regulars on Flash, it wouldn't hurt to have them show up every now and then to add some levity.

8 Max Mercury Knows The Speed Force

Known as the Zen Master of Speed in the comics, Max Mercury has yet to make his way to the TV series, which is somewhat surprising. In the comics, it was Max Mercury who helped Flash learn about the Speed Force. Max was the first speedster to touch the Speed Force, which sent him hurtling forward in time.

After some adventures in the 1940s and 50s, Max retired from the hero life but came back when Reverse-Flash was threatening Central City. Max also became the mentor for Impulse, and with Bart Allen making his way to the show, maybe Max won't be far behind.

7 Jerry McGee Was A Real Demon

Flash Speed Demon

While his wife Tina McGee made her way onto The Flash, Jerry McGee sadly hasn't made his debut yet. In the comics, Jerry was working on a way to give people super-speed, but when he tested his experiment on himself, Jerry became paranoid, filled with rage, and almost as fast as Flash.

As the villain Speed Demon, Jerry hunted down Flash and attacked him. In the fight, Jerry's internal organs began to shut down but he was saved thanks to Flash's fast thinking. Along with being a great supervillain name, Speed Demon would give Flash a good fight on the show.

6 Christina Alexandrova Is Obsessive

Another speedster, Christina Alexandrova was given her powers by an experiment conducted by the Russian government in an effort to create their own superheroes. As a member of the speed team Blue Trinity, Christina faced off against Flash.

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Christina later worked alongside Vandal Savage as Lady Savage before becoming obsessed with Flash and taking on the name Lady Flash. Sadly, Christina was rejected by Flash when she professed her feelings. Emotionally hurt, Christina turned to the Cult of Savitar where she became Lady Savitar. A speedster who is obsessed with making the Flash fall in love with her sounds like a perfect story for the show.

5 Inertia Is A Future Evil

Tad Thawne running as Inertia with a whirlwind behind him from DC Comics

As with Max Mercury, the coming of Impulse to Flash opens the door for Inertia to show up as well. In the comics, Inertia is an evil clone of Impulse created by President Thawne in the 30th Century. Acting as Impulse's own Reverse-Flash, Inertia once led the Rogues in a battle against Bart Allen when he became Flash.

That battle ended with Bart's death, which led to every speedster in the DC universe looking for Inertia to avenge Bart. Bringing Inertia to the show would also open up a way to bring the Thawne family line back into Flash.

4 John Fox Is The Flash Of The Far Future

John Fox from DC Comics, speeds by with a confident grin

The Flash of the 27th Century, John Fox was initially introduced in the Flash 50th Anniversary Special where he met three of the Flashes that preceded him. When he came into the regular Flash comics, John Fox took the place of Wally West while Wally was lost in time.

When Wally returned home, John once again left and became a member of Justice Legion A, a team of heroes from the 853rd Century. Along with a great look, John Fox would fit in with all of the time travel stories that the writers of the Flash series love to play with so much.

3 Nick Kovak Can Join Team Flash

Flash Argus

An FBI agent working undercover in the Keystone mob scene, Nick Kovak was attacked by an alien. The wounds he suffered from the alien's bites gave Kovak superpowers, which he used to become the hero Argus. With his ability to see thermal signatures, as well as his enhanced strength and reflexes, Argus started to make a name for himself and teamed up with Flash on occasion.

With Harrison Wells and Cisco Ramon leaving Flash this season, Team Flash is in need of new superhero blood, and Argus could be a good fit.

2 Malcolm Thawne Is Family

Flash Barry's Twin Cobalt Blue

While Eobard Thawne, the Reverse-Flash, is undoubtedly the best-known member of the Thawne clan, he was far from the only one. Along with President Thawne from the far-off future and his daughter Meloni, there is also Malcolm Thawne, who became the villain Cobalt Blue.

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In the comics, it was revealed that Malcolm Thawne was actually the twin brother of Barry Allen who was taken from the Allen family at birth and given to the Thawnes. While Malcolm grew up in an abusive home, Barry grew up with two loving parents. When Malcolm learned the truth, he made it his life's goal to destroy the legacy of the Flash.

1 Daphne Dean Is Barry's Old Flame

Daphne Dean was Barry Allen's high school sweetheart who went on to become a famous actress who won two Academy Awards. In the comics, Daphne tended to show up from time to time looking to use Barry, who she knew could get her in contact with Flash, to get her some publicity and keep her name in the trades.

While Barry was madly in love with Iris, he always found himself attracted to Daphne, and after Iris was killed by Reverse-Flash, Barry nearly ended up in Daphne's arms but instead chose to marry Fiona Webb. Introducing Daphne to the series could create some good old-fashioned romantic tension, even though everyone knows Barry would never cheat on Iris.

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