Kematian Rev Ax7

Pada tanggal 28 Desember 2009 drummer James"The Rev"Sullivan ditemukan meninggal di rumahnya pada umur 28 tahun. Hasi otopsi tidak dapat disimpulkan. Namun tanggal 9 juni 2010 diumumkan bahwa penyebab kematiannya adalah keracunan akibat penggunaan piskotropika yang dicampur - campur, sering juga disebut polydrug use atau "cross fading". Dalam pernyataan dari anggota band lainnya, mereka turut berbela sungkawa atas meninggalnya The Rev dan meminta untuk menghormati privasi keluarganya:
It is with great sadness and heavy hearts that we tell you of the passing today of Jimmy “The Rev” Sullivan. Jimmy was not only one of the world's best drummers, but more importantly he was our best friend and brother. Our thoughts and prayers go out to Jimmy's family and we hope that you will respect their privacy during this difficult time.
Website resmi Avenged Sevenfold menampilkan pesan dari keluarga Sullivan yang menyatakan terima kasih kepada penggemarnya atas dukungan mereka:
"We would like to thank all of Jimmy's fans for the heartfelt comments that have been posted – it is comforting to know that his genius and antics were appreciated and that he was loved so much. Our hearts are broken – he was much too young to fall. Óg agus saor go deo (forever young and free)"
Di samping itu komentar tentang kematian Sullivan, manajer band Larry Jacobson mengungkapkan bagaimana Sullivan adalah orang yang begitu baik terhadap semua orang. Jacobson berkata dalam wawancara itu:
He was expressive. He'd tell you how he felt about you -- you didn't wonder because he'd put his arm around you," he said. "He knew how to tell his friends he loved them.
Selain Jacobson ada 50 lebih artis musik yang mengomentari tentang kematian The Rev.
Pada tanggal 6 Januari 2010 jenazah di makamkan di lokasi yang dirahasiakan.
Tanggal 5 Januari 2010,majalah kerrang! menulis artikel tentang kematian The Rev.Zacky Vegeance menunjukan perasaan-nya tentang kematian The Rev
"Jimmy will always be with me in everything I do. Except sitting at home being sad, so today Im going to try to start living again. foREVer."