The truth is, i was ashamed of being in the Arañas, and I was afraid if I told you the truth about my past that you would stop trusting me. I thought there was too much at stake for me to be honest about who I really am. But it was lying about my past and keeping you in the dark that lost your trust. I am the light meta in those photos, and I've never really told anyone that before. And right now, I'm going to save us. All you have to do is trust me.
Allegra Garcia, also known as Wavelength,[1] is a writer and supervising editor at The Central City Citizen Media and a member of TeamFlash with the power of manipulate electromagnetic energy. She was formerly a car thief and a member of Esperanza Garcia's gang.
Allegra and her mother were abandoned by her father when she was born, and her mother blamed her for this, causing her to look elsewhere for father figures. As a teen, Allegra became a criminal and was incarcerated in Iron Heights Penitentiary with her cousin Esperanza, where she became a metahuman after the S.T.A.R. Labs particle accelerator explosion.[4][5][6]
Joining Team Flash
Allegra was later framed by Esperanza for her crimes, but she was saved by Cecile Horton and the Flash and was eventually released, joining the CC Citizen sometime later. After helping Nash Wells, he told Allegra that Barry Allen is the Flash, and she also joined Team Flash to help them fight against Bloodwork.[6][7][8][9]
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Powers and Abilities
Powers
Metahuman Physiology: After Allegra was struck by the energy of the particle accelerator explosion, this altered her DNA and supercharged her cells, augmenting her physiology to access her new abilities.[6]
Allegra became a vigilante after joining Team Flash, but her superhero name; Accelerant, has never been used in the TV series, only in official media.[10][2][3]
In an deleted scene, Allegra speaks to the Central City Citizen's audience outing herself as the light metahuman from Team Flash, choosing the codename Wavelength.[1] This is her father's codename in the comics.
Allegra's transformation into her more powerful form is similar to the one Carol Danvers takes in the film Captain Marvel. In the episode A New World, Part Three, Chester mentions Allegra going supernova in a fight, another nod to Captain Marvel.
This character is or was an incarnation of or an ally of The Flash, and a member of the Flash Family of speedsters. This template will automatically categorize articles that include it into the "Flash Family members" category.
The truth is, i was ashamed of being in the Arañas, and I was afraid if I told you the truth about my past that you would stop trusting me. I thought there was too much at stake for me to be honest about who I really am. But it was lying about my past and keeping you in the dark that lost your trust. I am the light meta in those photos, and I've never really told anyone that before. And right now, I'm going to save us. All you have to do is trust me. 
