I've been thinking of several enemy ideas for the final level, but I only plan on using one of them as another enemy besides the boss. Some ideas include a Round Bomber plane, A giant boulder that rolls after Blocky Man a la Indiana Jones, and musket wielding Round Soldiers. Well, if I can't make up my mind, I can always put all three of them in the game[grin]. Usually I have the enemy ideas that I will do planned out before starting a level, but I didn't really know what I was going to do going into the final level. So far the enemies I've created work really well, so I want to add at least one more enemy before starting on the boss.
Baron von Ellipse will be the final boss of the game. Basically, once you get to the end of the level, you'll be forced into an arena will you will face off against the Baron. The boss battle won't simply be jumping on his head three times to kill him, but don't expect anything epic either.
I've already drawn the graphics for the bomber plane, so I'll probably program it in the game tomorrow to see if it works well.