blinks is more appealing to the eyes, but that was never Nirvanas "band logo" it was a kurt cobain doodle among many of his drawings that got put on shirts way after they ended. Its not on albums of theres, or anything like that, so i wud say there is a difference anyone can draw a smiley face with x's for eyes and use it, there too different to compare, i remember ppl were talking about this when self titled came out, its silly