Mest Gryder

メスト・グライダ, Doranbalt

Is a mage of Fairy Tail and Mystogan's disciple who is a current participant in the S-Class Wizard Promotion Trial.

The truth is that he's a secret agent from Magic Council infiltrating Fairy Tail, which is the most troublesome mage guild. He can use magic that alters memories and teleportation. His real name is Doranbalt.