This would be a great adversary for Aquaman. He controls fish... she controls dead fish.
Created in Clip Studio Paint Pro using my Microsoft Surface Pro 4.
Here's a process gif:
And a B&W version with Clip Art fish I found on the interwebs:
Posted from my blog with SteemPress : https://mccomics.mattslawblog.com/2020/10/10/siren-necromancer-quick-paint/