Laa-Laa

One of the four characters in the television show Teletubbies was yellow.

She was featured in one episode, where she, along with the purple and red Teletubbies, gathered around the television on the green Teletubby's stomach, which depicted a group of children. (TV: The Sound of Drums)

Behind the scenes
Although she went unnamed in TV: The Sound of Drums, the character's name is Laa-Laa.