1.
First, here's Maury the Hormone Monster...
2.
...and Rick the Hormone Monster...
3.
Here's Emmy the Lovebug...
4.
Here's Pete the Logic Rock...
...who's voiced by Randall Park.
5.
Here's Connie the Hormone Monstress...
...who's voiced by Maya Rudolph.
6.
Here's Walter the Lovebug...
...who's voiced by Brandon Kyle Goodman.
7.
Here's Lionel the Shame Wizard...
...who's voiced by David Thewlis.
8.
Here's Rochelle the Lovebug...
...who's voiced by Keke Palmer.
9.
Here's Sonya the Lovebug...
...who's voiced by Pamela Adlon.
...who's voiced by Ali Wong.
11.
Here's Mona the Hormone Monstress...
...who's voiced by Thandiwe Newton.
12.
Here's Gavin the Hormone Monster...
...who's voiced by Bobby Cannavale.
...who's voiced by Jemaine Clement.
14.
Here's Petra the Ambition Gremlin...
...who's voiced by Rosie Perez.
15.
Here's Keith from Grief...
...who's voiced by Henry Winkler.
16.
Here's Tyler the Hormone Monster...
...who's voiced by John Gemberling.
17.
Here's Tito the Anxiety Mosquito...
18.
...and Kitty the Depression Kitty...
...who're voiced by Maria Bamford.
19.
Here's Rita St. Swithens the Shame Wizard...
...who's voiced by Helen Mirren.
...who's voiced by John Mulaney.
21.
Here's Asha the Shame Wizard...
...who's voiced by Lupita Nyong'o.
22.
Here's Dante the Addiction Angel...
...who's voiced by Hugh Jackman.
...who's voiced by Janelle Monáe.
...who's voiced by Mike Birbiglia.
...who's voiced by Tim Robinson.
26.
Here's José the Spider...
...who's voiced by Harvey Guillén.
27.
Here's the Empathy Owl...
...who's voiced by Casey Wilson.
...who's voiced by Ariana DeBose.
...who's voiced by Josie Totah.
30.
Here's Arsalan the Shame Wizard...
...who's voiced by Kayvan Novak.
31.
And finally, here's Flanny the Lovebug...
...who's voiced by Chris O'Dowd.