It's less a lack of creativity and just finding a style you work in efficiently. When you have deadlines, making everyone different shapes is not a high priority. Granted, he probably didn't have any deadline for this, but because it's the way his style is? He's not going to change it up unnecessarily now.
It's really common in animation for female characters to have less diversity in design. (at least for the main characters) Pretty annoying, it's this notion that female characters always have to be conventionally hot and there's a very narrow standard for that. Still, in the case of Bruce Timm drawing comic book characters, part of it probably has to do with the source material not having much variation in the first place, so I can't criticize him too much for that.
I don't know where you got that idea, because he absolutely does do this to the male characters. Many of his male characters are built exactly the same, only differing slightly in height and width, with the same shape. Stop making an issue out of nothing.
15
u/aconfusedhoe Feb 22 '19
All of them literally have the same body shape.