WHO IS THE FLASH?

Grant Gustin
Gustin at the PaleyFest 2015 presentation for The Flash
Born	Thomas Grant Gustin January 14, 1990 (age 27) Norfolk, Virginia, United States
Occupation	Actor, singer, and dancer
Years active	2003–present
Known for	The Flash Glee West Side Story

Thomas Grant Gustin (born January 14, 1990) is an American actor, singer, and dancer. He is known for his role as Barry Allen / the Flash (based on the DC Comics character of the same name) on the CW series The Flash and Arrow, both in the Arrowverse television franchise, and his role as Sebastian Smythe on the Fox series Glee.
Hint: just to know about the CW series please visit https://youtu.be/48ehf7XhR38