Board Thread:The Flash discussions/@comment-9346948-20151111015951/@comment-26982641-20151119204112

Zoom is definetely Henry. In 2x06 Zoom says:

"Do you like to fish with bait, I do too"

In 2x07 Henry says:

"I went fishing every day. I have had my fill of largemouth bass for a while."

I believe there is a connection between these lines.