Spoilers [manga]

Slide 1 : latest chapter 176

Slide 2/3 : chapter 161

Wed seems to know erza. And when his armor shattered, he seems to be a known man to her.

Now, his body is big even without his dragonification, with this some says it Simon. But I really don't want him to be Simon, it'd just ruin his sacrifice.

Could be an old associate of her, like another man from the tower of heaven when she was a kid.

Who'd you think it is?