Necro derived his stage-name from the Slayer song "Necrophiliac".

Entity and relation annotations:
id: 0
type: entity
value: text: Necro
labels: <Person>
id: 1
type: entity
value: text: the Slayer
labels: <Organization>
id: 2
type: entity
value: text: "Necrophiliac"
labels: <Work_of_art>
type: relation
to_id: 2
labels: Organization:publishes:Work_of_art
from_id: 1