1.
2. The spikes
3. Special moves (uppercut and sidekicks)
4. Gold and silver coins
5.
6.
7. Nothing?
8. Easy
9. Medivo
10. list.jazzjackrabbit.com
11. Freezes the TNT, causes people to receive damage when they touch the TNT.
12.
13. Floating sucker, floating lizard
14. Tweedle Boss
15. Wubbo Ockles, astronaut

As you can see, i'm an ignoramus in most of this matter.