I've named everything that moves in my tank except the hermit crabs... even the snails. (My husband teases me about that.)
My three Yellow Tailed Blue Damsels are Larry, Curly, and Moe, because they are always dicking with each other. My Royal Gramma is Vera, because I think it sounds like a grandma-ish name. My Firefish is Flicker, because, well, she does look a bit like a flame. And my snails are Whirly-Shell, Twirly-Shell, and Curly-Shell, (the Margaritas,) and Comet and Galaxy, (the Turbos.)
Yes, I'm a dork.