User blog comment:Shimmering Brony/M.U.G.E.N character sprites/@comment-5157656-20121127122932/@comment-3495717-20121128154002

Well yeah, resizing a sprite by x2, x4, etc. will keep each pixel the same size in relation to all the other pixels in the sprite (.5 works in MUGEN - it's called hi-res, but will wreck the quality of a sprite in an image editing program if the pixel size is 1x1 (unchanged)).