Sakis Tolis

Greek musician, also known as Necromayhem, who is the vocalist and guitarist of Rotting Christ, a Greek black metal band formed in 1987. He has recently produced some of the band's albums and contributed as session keyboardist. Sakis has also provided guest vocals and guitars for a number of bands, for example providing guest backing vocals on the track "Mocking Modesty" on the Nightrage album Wearing a Martyr's Crown.

He also played guitar in a black/death metal band Thou Art Lord, which features members from several other prominent Greek extreme metal groups, such as Necromantia and Septic Flesh.

He used to endorse Grossman custom made guitars. He currently has a signature V-Shaped guitar with the Greek letters ΧΞΣ inlaid in the fretboard. As of 2016 he is endorsed by ESP Guitars and uses an Eclipse model.

Tolis co-authored a book, Non Serviam: The Official Story Of Rotting Christ with Dayal Patterson, published in November 2018.