yeah lol I mean ... we all called that one pretty early on. I remember how people were like THIS WILL BLOW YOUR MIND and pretty much all fans were like guys ... this is based on comics ... that have been around for a long time. No such thing as a surprise lol.
Julian had a pretty solid arc. Fell in love with Caitlin and turned her into Killer Frost when she briefly died. And now he's left the show but could come back later.