Definition: In this task, you will be presented with a text and a pronoun. You should write the name that the pronoun refers to. Position of the pronoun in the text is showed within two "_"s.
Input: Rigby and Mordecai must then try to stop Ybgir from turning the entire city into zombies. They eventually un-jinx Ybgir, which sends him back to the mirror, defeating him until he returns. Percy is the name of a Victorian Doll that Pops had owned ever since _he_was a child. <sep>, Pronoun: he

Pops