1) He said they were enlarged for the forum, so yall can rest assured that you wont be needing to divide OVER NINE THOUSAND times. (Unless by 'enlargement', he means the math term where it could be making it smaller...in which case run, before he steps on you)
2) MK is Mark, not Mach, as in 'The sublimely magnificent Jecht Shot Mark III. (Nitpicky, I know, but meh!)
The characters themselves... Maybe it's the upscaling, but they look kinda like stained-glass windows of Mecha Sonic to me.