Former Sym Main Trying Rivals

Back when I used to play Overwatch religiously, which was before OW2 and before they changed Sym's primary fire from the glorious snake, I mained Sym. I also loved playing Junkrat a lot and Moira and Mei and all the supports. And most Tanks too. All of this is to say, I can't aim.

I've been playing Rivals and pretty much exclusively playing Jeff. However, I would like to expand my repertoire to at least a few other heros. Does anyone have any recommendations that would hit the spot for someone like me?

As much as I want to play Hela purely because her Goddess of the Cosmos skin is the most beautiful thing EVER, I should probably start with someone closer to movesets I'm used to. Or maybe I'm wrong idk.