Maddie. Maddy looks weird to me for some reason, Madi and Mady would make me want to say made-y. Maddi looks incomplete, like the e is hiding.
Originally Posted by CurlyEyes
Hah, I agree on all points!

Although, I might be biased because I know quite a few people who spell it with the "ie".

"And death is at your doorstep
And it will steal your innocence
But it will not steal your substance
But you are not alone in this"

“My ability to turn good news into anxiety is rivaled only by my ability to turn anxiety into chin acne.” - Tina Fey