Tammy Larsen is the main antagonist of Bob's Burgers episodes "Bad Tina" and "Mazel Tina". Tina hangs around with her to get closer to Jimmy Pesto Jr. Tammy gives Tina a bad influence causing Tina to turn bad. By the time Tina crosses her, she decided to read her private journal. She is voiced by Jenny Slate who voiced Dawn Bellwether from Disney movie Zootopia.