Through her many adventures across time and space, Bernice Summerfield was known under many aliases.
| Alias | When used | Story |
|---|---|---|
| Servant woman | the name by which Wolsey knew Bernice | Oh No It Isn't! |
| Bernard Summerfield | while disguised as a man to figure out the mystery behind the stolen books of the Library of St John the Beheaded | All-Consuming Fire |
| Dick Whittington | the persona by which sentient Wolsey knew Bernice in Pantoland | Oh No It Isn't! |
| Dominic Troy | while stuck in the body of Dominic Troy after switching minds with him on Hera | The Squire's Crystal |
| Testicles [Test-uh-cleez] |
while disguised as a man to infiltrate the male-only democratic assembly of Athens | The Oracle of Delphi |
| Jenny Wintermeadow | while impersonating one of Megali Scoblow's love drones to distract N'Jok Barnes | Venus Mantrap |
| The Bennyficiary | the name under which Bernice was known as a mythical figure to the people of Lyndyaz | Brand Management |
| Bunny Hare | while impersonating the dendrochronologist Bunny Hare to join Melville Trout's expedition | Bad Habits |
| Professor Kent | while participating in an archaelogical expedition in the far future to unearth her own remains | Paydirt |
| Wintergreen | Ever After Happy | |
| Beatrice Winters | The Big Blue Book |