Brooklyn Nine-Nine Wiki

Ethel Musterberg is a senile woman from the Prospect Heights Senior Center.

Throughout the Series[]

Season One[]

In The Slump, Jake found Ethel and brought her in to the 99th Precinct, thinking she was Judd Sterrino's missing grandmother, Helen Sterrino. Jake had showed Ethel a photograph of Judd, and she had proclaimed that the man in the photo is her grandson.

Later, Jake brings the Sterrinos into the precinct to reunite them with "Helen." However, Judd claims to have never seen this woman in his life. Ethel next mistakes Charles for her husband, Solomon, and hugs him. Charles discovers her ID in her back pocket then, revealing her true identity.