Some attribute the beginning of this trend with "The Tonight Show" host Johnny Carson.

Entity and relation annotations:
id: 0
type: entity
value: text: Johnny Carson
labels: <Person>
id: 1
type: entity
value: text: "The Tonight Show"
labels: <Work_of_art>
id: 2
type: entity
value: text: host
labels: <Title>
type: relation
to_id: 1
labels: Person:performs:Work_of_art
from_id: 0
type: relation
to_id: 2
labels: Person:holds_title:Title
from_id: 0