In the TV show "Friends," Phoebe Buffay, portrayed by Lisa Kudrow, uses the fake name "Regina Phalange" when she wants to assume a fake identity. Phoebe often employs this alias in various situations throughout the series, whether it's to prank someone, avoid unwanted attention, or create a diversion. The name "Regina Phalange" becomes a recurring joke and a go-to persona for Phoebe's humorous antics.