 She is shown to be a lot kinder than Ethel, doing anything to impress Mildred and trying to make Mildred her friend, such as attempting to rescue Mildred's bats after they were mistakenly assumed to have been locked in a chest.In the TV series episode "The Millennium Bug" it is revealed that Sybil plays the clarinet.When telling Fenella Feverfew and Griselda Blackwood about how much she wants Mildred as a friend, she states, "I just want a sister.