The damage done with the impact was irreversible... Losing his face thanks to the Owlman's carelessness... Becoming the  criminal known as Hush. Leaving bodies all over gotham with missing pieces of their faces as he worked to reconstruct his own. "I was close..."

You met him in Jay Garrick's lab, insisting on pouring drinks for everyone." Jay dug me  out of the rubble himself. He looked after me, treated me like his own son. It's only fair I address the ones who saved him."

"I studied my doppleganger. Their lies, their followers, their behavior.  Until I was sure I could replace either of them... After killing them both, and spreading the story. You'll never know when they really disappeared.

Tim Drake was known for his designs, his disdain for everyone else. A gift sent him he started ripping apart.