Darwin Watterson

Darwin Watterson is a goldfish who grew legs who first appeared in Escape From Reality. He is Gumball and Anais' adoptive brother. He was one of the many people who were invited to SpongeBob and Brown Eel's wedding.

He introduced the Child lock feature in his second appearance, which led to him getting eaten by Koopsers Joopsers because he did not like the child lock feature.