Kathryn Gallagher

[Season 1 opening]

Barry Allen: My name is Barry Allen and I'm the fastest man alive. When I was a child, I saw my mother killed by something impossible. My father went to prison for her murder. Then an accident made me the impossible. To the outside world, I'm just an ordinary forensic scientist, but secretly I use my speed to fight crime and find others like me, and one day I'll find who killed my mother and get justice for my father. I am The Flash.

[Season 2 opening]

Barry Allen: My name is Barry Allen and I am the fastest man alive. To the outside world, I am an ordinary forensic scientist, but secretly with the help of my friends in S.T.A.R. Labs, I fight crime and find other meta-humans like me. I hunted down the man who killed my mother, but in doing so, I opened up our world to new threats, and I am the only one fast enough to stop them. I am The Flash.