Billy Parham

Billy is a recurring character in The Amazing World of Gumball. He is the son of Felicity Parham, but despite this, he is a blue, egg-shaped blob. He is often seen with her, as well. He also speaks with a British accent, unlike his mother.

Season 2

 * "Christmas" (debut)
 * "The Authority"
 * "The Hero" (flashback)
 * "The Limit" (cameo)

Season 3

 * "The Kids"
 * "The Extras" (1st major role)
 * "The Gripes" (non-speaking cameo)
 * "The Law" (2nd major role)
 * "The Mothers"
 * "The Shell" (cameo)
 * "The Burden" (cameo)
 * "The Butterfly"
 * "The Oracle"
 * "The Countdown"
 * "The Egg" (3rd major role)

Trivia

 * "The Authority" reveals that Billy plays football.
 * Almost every single line he says begins with the word "mother."
 * The only time that Billy's line did not start with "mother" was in "The Law," when he was getting ice cream with his mom.
 * An orange version of him appeared in "The Mothers." It is unknown whether or not he is related to Billy.
 * In "The Curse," a purple boy can be heard speaking in the same manner and voice as Billy. He can be seen with his mother on an airplane near the end of the episode.