User blog comment:TheDoctor230/Wally West/@comment-7890302-20170125161832/@comment-3221148-20170130161715

He is. He's a doppleganger of Bruce Wayne... even though another Bruce Wayne exists on his Earth, as his little brother...

It's complicated, and mostly chalks down to Earth 3 not actually being a perfect parallel. What's with their Evil Wonder Woman being anybody BUT Diana of Themyscira for some reason.

Or the Evil Flash being randomly named Johnny Quick, aka Johnathan Allen. Despite their being an actual Johnny Quick on New Earth...