|Born||Leah Birch (age 16)|
|Family|| Elliot Birch (father)|
Diane Birch (mother)
Nick Birch (younger brother)
Judd Birch (older brother)
|Debut|| "Ejaculation" (no-lines)|
"Am I Gay?" (speaking)
|Voiced By||Kat Dennings|
Leah Birch is a supporting character on the Netflix adult animated series, Big Mouth. Leah is the middle child of the Birch family and the only daughter. She attends the high school and is a member of the Theatre club.
She is portrayed by Kat Dennings.