The Flash (DC Extended Universe)

The Flash (Real Name: Barry Allen) is a character an a super hero from the movie Justice League, He make two cameos in Batman v Superman: Dawn of Justice and Suicide Squad.

Personality
Barry Allen is remarkably intilligent but also innocent, naive and quiet insecure with his fellow teammates, while telling Batman that he "need friends", During real battle, he is total afraid saying that he never was in a real battle and "only pushing people", However he is completely powerful and strong attacks, driven for justice, but alos seeking to help his father from prison.

Batman V Superman: Dawn of Justice
The Flash makes a small cameo, telling bruce to "searching us" which means to found the members of theleague, before bruce wake up.

Suicide Squad
He make another cameo knocking Captain Boomerang during the story told from Amanda Waller about, the metahuman criminals.

Justice League
To Be Added