World Under Blood is an American melodic death metal band from Los Angeles, California. Formed in 2006, the band originally featured vocalist and guitarist Deron Miller and drummer Tim Yeung, with bassist Risha Eryavac and guitarist Luke Jaeger completing the four-piece lineup in 2007. The group released its debut album Tactical in July 2011, which featured contributions from guitarist James Murphy.

Deron John Miller is an American musician and songwriter. He is best known as the former lead vocalist and rhythm guitarist of the rock band CKY, which he co-founded in 1998. Other bands Miller fronts include the progressive metal band Foreign Objects, the melodic death metal band World Under Blood, the death metal band Malevolent Creation, and the alternative metal band 96 Bitter Beings.