We would be making too much of an assumption to think that just because someone voted for one challenger man, he/she wouldn't care what challenger man they got. If you read the conversation that lead up to this poll, you will find that there is one individual that liked Mr. Challenger, but would be totally against his vote counting toward either Challenger Men. The argument can also be made that Mr. Challenger/Challenger Man already has an unfair advantage. Since there is three variations of this same image he has a much better chance of winning.
I would dispute that fact. What it is, fundamentally, that people are voting for is the image of the person, wearing a purple jacket and sunglasses, holding on to a pistol grip shifter. The thing that is causing the split of the vote are the words that surrounding him. Fundamentally, everyone who is voting for any of the Challenger Men/Mr. Challenger are voting for that picture, as well as the words they like with it. Now, we can worry about details such as name, words, etc. after the fact. The fundamental portion of any marketing campagin/slogan is the image you want project - the catch phrase comes afterwards.
And as for saying that because that are three variations he has a better chance of winning, that is absolutely untrue. In fact, he has a worse chance of winning because he is splitting the vote. Lets count all those votes together as just for the picture itself, and worry about hashing out the details around it afterwards.
Go Mr. Challenger Man!