Oliver “Oli” Scott Sykes, born 20 November 1986 is most commonly known as the lead singer of the metalcore band Bring Me The Horizon.

Since a young age he was interested in music, and while he was still in school he began crafting compilation CDs and short tracks under the name Quakebeat. He was a member of several bands before being in Bring Me The Horizon; He played in the mock hip-hop band Womb 2 Da Tomb and in the metal band Purple Curto. He also released some material under the name Olisaurus.

In 2004 he formed Bring Me The Horizon and became famous quickly and has released several records with the band. Besides being the lead vocalist, he also served as rhythm guitarist for their album Sempiternal.

Additionally, he also founded the apparel company Drop Dead clothing and co-created the graphic novel Raised By Raptors.