It was my younger sister's idea (hence the number of children show references)... she kept drawing different sorts of Todds, so I computerized them with my lame PaintShop Pro skill:
Ms. Keaney Todd:
Mr. Feeney Todd:
And finally, look out for Spongy Todd:
I thought that white streak in Sweeney's hair was such a ridiculous idea when I first saw it, but I suppose that sort of signature makes this kind of thing possible.