The artist dilemma: How to make a living from your creative talent, and simultaneously maintain you integrity.
Mark, you have created a wonderful "product". Just because it isn't paying off at the moment does not mean that it isn't a worthwhile endeavor. It seems that the problem you are facing at this point is one that you alluded to a little earlier. It is a matter of finding your audience, or rather having your audience find you.
The internet is a thriving place with millions (billions?) traveling through every day. I have had discussions with musician friends of mine who, along with myself, are also in that same boat. There are thousands of other folks on the web who are clamoring for the same attention that you are.
Don't let yourself give up on the Wannabe's. Continue on. Your thoughts on trying different ways of marketing and exposing the Wannabe's to different groups are right on the "money".
I strongly suspect that money from the actual strip would be a ways off, but, as your audience and fan base grows, marketing peripherals could begin a small revenue stream that could grow. Bumper stickers, (Pencils, Peechees) small things that are inexpensive to produce and can sell at reasonable prices.
One thing I would suggest might be to periodically put out a one minute or so Wannabe animated short on Youtube, linked to the Wannabe website, with a ba-jillion tags.
I'm quite certain that I'm not telling you anything new, I'm just trying to reinforce these things.
You have created a wonderful franchise. The nations cash flow has become a trickle. It's not as easy to siphon off a little as it was a few years ago. Marketing and finding (defining?) your audience will be the key I think.
But I really do think that these will help you:
Animated_Shorts.mov