Mrs. Wallabanger is the Maxwell family's neighbor. She is also Oliver's grandmother.
Mrs. Wallabanger was introduced in Tales From a Not-So-Fabulous Life. Nikki used her hearing aid as a faux phone 'thingy', but soon discovered that she had an allergy to spray paint. She returned Mrs. Wallabanger's hearing aid, after.
It was revealed that she was Oliver's grandmother in Tales From a Not-So-Happy Heartbreaker.
Mrs. Wallabanger is known to mishear whatever people say.
Not much is known but she has a hearing aid it is highly possible that she has white hair.Her eye color is unknown but could possibly be blue,honey,brown,green,grey,hazel,black or mixed
- She's Nikki's next door neighbor.
- She is very deaf.
- She has a pet Yorkshire Terrier named Creampuff.
- She once reported Nikki's dad to the police for making a fire in there back yard, or in her case, "looking in people's windows".