S3 finale spoilers
To see more of Evil Barry. He had so little screen time

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I was never that big a fan of Evil Barry in the first place. I may have sympathized with him a little after he told his backstory in Cause and Effect, but I was still genuinely annoyed during the reveal that the writers went in that direction.

My name is Barry Allen, and I am the fastest man alive. To the outside world, I'm a sociopathic murderer with a god complex, but secretly, I'm still pining over the death of the love of my life, who I murdered in cold blood decades ago. My past self is trying to thwart my plans to turn him into me, and I'm the only one fast enough to stop him.

I am the Future Flash! Wait no, I am the future, Flash! I am Godspeed! No, I mean I'm the god of speed! I am Alchemy! Wait, Alchemy? Savitar? Yes, Savitar! I am Savitar!