Max Griffin

Max Griffin is a villain that appears in book four of Amulet by Kazu Kibuishi.

Book Four: The Last Council
Though at first he appears to be helping Emily and her friends, his true goal is realized while testing for a spot in the Guardian Council at the Academy. He is shown to have betrayed the other stonekeepers several times, but urges them to trust him and work together. They manage to avoid numerous obstacles and reach the finish, however, the other stonekeepers turn to stone just before they are able to complete the test. Max tries to persuade Emily to join him in the finish and obtain the Mother Stone, but she refuses. When Emily's family appears, he threatens to kill them, but gives Emily a choice, leaving Max to escape unharmed.

Book Five: Prince of the Elves
Though this installment of the series has yet to be released, it is indicated that Max has escaped and is currently working for the Elf King. He has returned the Mother Stone to the Elf King, which will allow him the ability to destroy Cielis once and for all.