1. Inchtown is in a parallel universe.
2. You mean Jex? On every world map, there's an optional gameshow of hers you can play to win coins, lives, items, etc.
3. Not yet, sorry!
4. W1's boss is Casey the Careless, W2's is Sting King the Startling, W3's is Haystack the Haphazard, W4's is Pierre the Impervious, W5's is Dr. Bolt, W6's are the Fraudulent Funnyguys, W7's is Bush Head the Unbeatable, W8's is Mr. Business (aka Mr. Berserk) and W9's is the Puppeteer
5. idk, maybe Sting King? not too sure