Pyro

Chase, also known as Pyro, is an American Gladiator, parody of the real-life Gladiator Nitro. He first appears in the episode A Milhouse Divided, when he is dating with Luann afler she are divorcing with Kirk. Their relationship ends when it she's caught cheating on him with his best friend Gyro. He also appears in Wild Barts Can't Be Broken, Mom and Pop Art, Alone Again, Natura-Diddily, It's A Mad, Mad, Mad, Mad Marge, Day of the Jackanapes and A Star is Born-Again. He is voiced by Hank Azaria.