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I'm preparing to go to a convention soon. I wasn't going to make a cosplay because I'm a little overweight and I'm still trying to lose weight, so a costume wouldn't look too good. But then someone jokking said I should do Gengar, and I said THAT'S IT. Gengar is really a round pudge ball, but yet still really awesome.

And best of all, it's not too complex of a Pokemon. Which is good, because this is kinda a last minute project, since I wasn't planning on doing a cosplay. I was thinking of going along the lines of this:

But with the cloak/shawl of this:

What do you think? Tips? Ideas?
Questions: The eyes. I don't currently own red contacts, and like I said this is a last minute project so I don't have time to order some. I had a friend suggest red glasses, but I'm not sure if that would look awesome or stupid.
Also, Gengar's ears/head spikes. I'm gonna probably spray my hair purple because it's about the right length and I've had a lot of trouble with wigs in the past, and this is last minute. Should I ignore the ears or how should I make them? Like the size of cat ears?
Thank you for your input.

I don't think it's long enough. (My little brother has got2b glued and that does work well)

I...understand to some degree what you mean. Wouldn't the extensions be too heavy and fall out?

Also my friend just thought of something great. I should wear a pink Snuggie-like top with Ditto's face. Then I will take off the top and BAM, I've transformed into Gengar.

If they're attached to a thick wire, the braid should hold them up. You need to attach the extensions to a headband or something, but I suggest going with Zeldacat's idea of faux fur.