Unico also appears in the Astro Boy manga in a comic book.

Entity and relation annotations:
id: 0
type: entity
value: text: Unico
labels: <Person>
id: 1
type: entity
value: text: the Astro Boy manga
labels: <Work_of_art>
type: relation
to_id: 1
labels: Person:is_character_in:Work_of_art
from_id: 0