![Boston Red Sox introduce Wally's little sister, Tessie](https://www.si.com/.image/ar_4:3%2Cc_fill%2Ccs_srgb%2Cq_auto:good%2Cw_1200/MTY4MTU2MjUwODc2OTQ1Njgx/screen_shot_2016-01-05_at_95022_pmpng.png)
Boston Red Sox mascot gets a little sister - Sports Illustrated
![Boston Red Sox introduce Wally's little sister, Tessie](https://img.mlbstatic.com/mlb-images/image/private/ar_16:9,g_auto,q_auto:good,w_1024,c_fill,f_jpg,dpr_3.0/mlb/x3dujiom5lfoszhuw1r8)
Say hello to Tessie, sister of Wally and newest Sox mascot
![Boston Red Sox introduce Wally's little sister, Tessie](https://cdn.theathletic.com/cdn-cgi/image/width=1200,height=1200,fit=cover/app/uploads/2020/06/31134754/Wally-the-Green-Monster-scaled.jpg)
The origin story of Wally the Green Monster - The Athletic
![Boston Red Sox introduce Wally's little sister, Tessie](https://i.postimg.cc/rppByqTd/57892-DEA-E5-A3-4609-AA6-F-DCD090-B8-BA0-E.jpg)
Female Mascots - Funko Funatic
![Boston Red Sox introduce Wally's little sister, Tessie](https://2.bp.blogspot.com/-o-XqPEWs5pE/Vzz1_xikRZI/AAAAAAAAw_E/6k3clM3bCIYkndOARDYMZpbdvC-JtPPWQCLcB/s1600/IMG_3034.JPG)
Evan and Lauren's Cool Blog: 5/18/16: Boston Red Sox Game Kid Nation and Wally's Birthday
![Boston Red Sox introduce Wally's little sister, Tessie](https://cdn.theathletic.com/app/uploads/2020/06/25013624/GettyImages-143190476.jpg)
A pictorial history of Wally the Green Monster as he's grown, and grown on us - The Athletic
![Boston Red Sox introduce Wally's little sister, Tessie](https://studyfinds.org/wp-content/uploads/2023/07/9cc81ff0-2ff4-424b-b4a8-b2fe81e46479-scaled.jpg)
Best MLB Mascots: Top 5 Baseball Characters, According To Fans - Study Finds
![Boston Red Sox introduce Wally's little sister, Tessie](https://bdc2020.o0bc.com/wp-content/uploads/2023/08/fenway-64d42c13bbd2f-768x432.jpg)
Wally the Green Monster's little sister, Tessie, is shipping up to Boston
![Boston Red Sox introduce Wally's little sister, Tessie](https://www.watertownmanews.com/wp-content/uploads/2017/05/Screen-Shot-2017-05-01-at-5.12.35-PM.png)
Watertown Resident Brings Red Sox Mascot Wally to Life in Animated Tale