Guest Stars Bresha Webb voices Nibbles Maria Bamford voices Jill Greta Lee voices Bubbles Maria Bamford voices Darla Greta Lee voices Sophie B. Paul F. Tompkins voices Jon James McAvoy voices Stan Donald Faison voices Illinois James Bresha Webb voices Rachel Maddie Corman voices Nibbles #2 Maddie Corman voices Kathy Gabrielle Allan voices Dana Ethan Sandler voices Ethan Uncredited Will Forte voices Flapjack