<Ul> <Li> Nick Kroll as : <Ul> <Li> Nick Birch , an almost - adolescent boy living with loving and overprotective parents . He also has an older brother named Judd and an older sister named Leah . </Li> <Li> Maurice the Hormone Monster , a wild thing - type monster who follows Andrew around and is responsible for his brooding sexual desires , which frequently occur at inappropriate moments . </Li> <Li> Coach Steve , the middle school gym class teacher , who is incompetent and overly talkative , often trying to get his colleagues -- or even the students -- to hang out ( often to no avail ) . It is heavily implied that the coach may be mentally disabled . </Li> <Li> Kroll also voices Lola , Lady Liberty , a ladybug , Joe Walsh , the ghosts of Picasso and Richard Burton , and Sylvester Stallone . </Li> </Ul> </Li> <Li> John Mulaney as Andrew Glouberman , a young Jewish boy , who spends much of his time furtively masturbating . <Ul> <Li> Mulaney also voices Mint , Grandpa Andrew , Babe the Blue Ox , and a detective . </Li> </Ul> </Li> <Li> Jessi Klein as Jessi Glaser , a sarcastic and smart girl . Her father , named Greg , is an unemployed stoner and her mother , named Shannon , is secretly dating another woman . She gets her period for the first time on a school trip to the Statue of Liberty . </Li> <Li> Jason Mantzoukas as Jay Bilzerian , a boy who is obsessed with magic and sex . He has sex with a pillow that he made into a sex toy . His mom is mentally ill , his dad is a divorce lawyer , and his two older brothers are named Kurt and Val . He is obsessed with Nick 's mother and father and wishes for a loving family . <Ul> <Li> Mantzoukas also voices the ghost of Socrates and Guy Bilzerian . </Li> </Ul> </Li> <Li> Jenny Slate as Missy , a girl who is nerdy and kind . Her father is black and her mother is Mexican . </Li> <Li> Fred Armisen as Elliot Birch , Nick 's loving father , who frequently shares inappropriate stories . <Ul> <Li> Armisen also voices the ghost of Antonin Scalia , a bus driver , and Stavros . </Li> </Ul> </Li> <Li> Maya Rudolph as : <Ul> <Li> Diane Birch , Nick 's loving mother , who babies him . </Li> <Li> Connie the Hormone Monstress , who follows Jessi around and encourages her to embrace her wildest desires . </Li> <Li> Rudolph also voices a bath mat , the ghost of Elizabeth Taylor , and the ghost of Whitney Houston . </Li> </Ul> </Li> <Li> Jordan Peele as the Ghost of Duke Ellington , the late jazz musician whose spirit now lives in Nick 's attic and sometimes offers him advice . <Ul> <Li> Peele also voices the ghost of Freddie Mercury , Atlanta Claus , a DJ , Missy 's father Cyrus , and Patrick Ewing . </Li> </Ul> </Li> </Ul>
<Ul> <Li> Nick Kroll as : <Ul> <Li> Nick Birch , an almost - adolescent boy living with loving and overprotective parents . He also has an older brother named Judd and an older sister named Leah . </Li> <Li> Maurice the Hormone Monster , a wild thing - type monster who follows Andrew around and is responsible for his brooding sexual desires , which frequently occur at inappropriate moments . </Li> <Li> Coach Steve , the middle school gym class teacher , who is incompetent and overly talkative , often trying to get his colleagues -- or even the students -- to hang out ( often to no avail ) . It is heavily implied that the coach may be mentally disabled . </Li> <Li> Kroll also voices Lola , Lady Liberty , a ladybug , Joe Walsh , the ghosts of Picasso and Richard Burton , and Sylvester Stallone . </Li> </Ul> </Li> <Li> John Mulaney as Andrew Glouberman , a young Jewish boy , who spends much of his time furtively masturbating . <Ul> <Li> Mulaney also voices Mint , Grandpa Andrew , Babe the Blue Ox , and a detective . </Li> </Ul> </Li> <Li> Jessi Klein as Jessi Glaser , a sarcastic and smart girl . Her father , named Greg , is an unemployed stoner and her mother , named Shannon , is secretly dating another woman . She gets her period for the first time on a school trip to the Statue of Liberty . </Li> <Li> Jason Mantzoukas as Jay Bilzerian , a boy who is obsessed with magic and sex . He has sex with a pillow that he made into a sex toy . His mom is mentally ill , his dad is a divorce lawyer , and his two older brothers are named Kurt and Val . He is obsessed with Nick 's mother and father and wishes for a loving family . <Ul> <Li> Mantzoukas also voices the ghost of Socrates and Guy Bilzerian . </Li> </Ul> </Li> <Li> Jenny Slate as Missy , a girl who is nerdy and kind . Her father is black and her mother is Mexican . </Li> <Li> Fred Armisen as Elliot Birch , Nick 's loving father , who frequently shares inappropriate stories . <Ul> <Li> Armisen also voices the ghost of Antonin Scalia , a bus driver , and Stavros . </Li> </Ul> </Li> <Li> Maya Rudolph as : <Ul> <Li> Diane Birch , Nick 's loving mother , who babies him . </Li> <Li> Connie the Hormone Monstress , who follows Jessi around and encourages her to embrace her wildest desires . </Li> <Li> Rudolph also voices a bath mat , the ghost of Elizabeth Taylor , and the ghost of Whitney Houston . </Li> </Ul> </Li> <Li> Jordan Peele as the Ghost of Duke Ellington , the late jazz musician whose spirit now lives in Nick 's attic and sometimes offers him advice . <Ul> <Li> Peele also voices the ghost of Freddie Mercury , Atlanta Claus , a DJ , Missy 's father Cyrus , and Patrick Ewing . </Li> </Ul> </Li> </Ul>
who plays the hormone monster on big mouth
who plays the hormone monster on big mouth
Nick Kroll
Nick Kroll