Darwin Watterson (voiced by Kwesi Boakye, season 1-2; Terrell Ransom, Jr., season 3 onward) – Darwin, a goldfish, is Gumball's best friend and adoptive brother.
Terrell Owens | Terrell, Texas | Ransom | John Crowe Ransom | Mary Church Terrell | Terrell | Ransom Asa Moore | Ransom (1996 film) | Dead Man's Ransom | The Ransom of Red Chief | Ransom Riggs | Ransom E. Olds | ransom | Jean Terrell | This Is the Story: The '70s Albums, Vol. 1 – 1970–1973: The Jean Terrell Years | "The Ransom of Red Chief." | Terrell Wilks | Tammi Terrell | Ira Terrell | Harry Ransom Center | William Terrell | Thomas E. G. Ransom | Terrell Ransom, Jr. | Terrell, North Carolina | Terrell Municipal Airport | Terrell Carver | Taryn Terrell | Scott Ransom | Ransom Knowling | Ransom Gillis House |