She appears again in the Season Fifteen episode "T.M.I." as one of the people who attends an anger management class and becomes a member of the "Pissed Off and Angry Party", which attacks the FedEx Office office until the surgeon general Rebecca Turnod changes the national average for penis size.
Gretchen has spiked brown hair and brown eyebrows. She wears a pink tank top, brown pants, white shoes, and a small golden earring on her right ear. She speaks with two very different voices between her two appearances.
- "D-Yikes!" - Seen as one of the lesbians attending Les Bos.
- "T.M.I." - Seen as a member of the anger management class.