Yeah, the "Super Mario World" Goombas were lousy. It took me a while to even figure out they were Goombas. They were like that in "Mario Paint," too, but they fixed them for the later games. In "Super Mario 64" they were the old (concave mushroom) shape again, just you could see all their sides.
Lee "Mega 2" Sherman
Sneaky Lying Cheating Giant Ninja Koopa