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: In Veronica Mars, Gallner played the role of a young teenage boy, Cassidy ``Beaver'' Casablancas, the younger brother of Dick Casablancas. Very smart, he is often bullied by his brother. After playing Bart Allen in the Smallville episode ``Run'', Gallner reprised _his_ role on the January 18, 2007 episode ``Justice'' and the season 8 finale. <sep>, Pronoun: his

Gallner