Philip Butler

Philip U. Butler is an American officer working at the garrison in District 23.

Personality
Philip is shown to have a rather conniving nature, demonstrated when he designs a backup plan to blame Club Primavera if he were to fail to find a missing American soldier at the request of the mafia.

Season 1
Philip plans to have Caleb assassinated after he pays, however the assassination is botched.

Season 2
Philip briefly appears in Season 2 when it is implied that Rose Haibara had been seducing him in order to gain further control over District 23.

Season 3
Philip's garrison is taken over by Gabriel Kaburaya, who blackmails Philip due to his knowledge of Philip's mafia connection.

Trivia

 * Philip's name, design, and mannerisms are an homage to Battler Ushiromiya, though the two have no canonical relation to each other.
 * Philip's eyes are repeatedly referred to as "eagle eyes," a possible reference to the One-Winged Eagle.
 * Philip has a younger sister named Ange.
 * Philip's middle name is abbreviated as "U." in the credits to Last Season.
 * Philip is half-Japanese (on his mother's side).