Tip: Take advantage of easy to install Patches in your hack. The No More Sprite Tile Limits or SA-1 patches should be considered if you're encountering glitches where Mario and/or sprites are turning invisible.
Violent. Unkind. Almost....demonic. You're evil you the max. And that's just about all I can say, because if I say anything bad about you, you'll probably perform feats so naughty that I can't bring myself to say them in public.